Home / 1,078,045.60-1,617,068.40-329,994.40

Finding the Fourth Proportional to 1,078,045.60, 1,617,068.40 and 329,994.40

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Solution

The fourth proportional to 1,078,045.60, 1,617,068.40 and 329,994.40 is: 494,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,045.60 : 1,617,068.40 = 329,994.40 : x
  2. Step 2: Convert to fraction form
    1,078,045.60/1,617,068.40 = 329,994.40/x
  3. Step 3: Cross multiply
    1,078,045.60x = 1,617,068.40 × 329,994.40
  4. Step 4: Simplify right side
    1,078,045.60x = 533,623,516,416.96
  5. Step 5: Solve for x
    x = 533,623,516,416.96/1,078,045.60
  6. Step 6: Final answer
    x = 494,991.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.