Home / 434,547.60-651,821.40-329,571.60

Finding the Fourth Proportional to 434,547.60, 651,821.40 and 329,571.60

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Solution

The fourth proportional to 434,547.60, 651,821.40 and 329,571.60 is: 494,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,547.60 : 651,821.40 = 329,571.60 : x
  2. Step 2: Convert to fraction form
    434,547.60/651,821.40 = 329,571.60/x
  3. Step 3: Cross multiply
    434,547.60x = 651,821.40 × 329,571.60
  4. Step 4: Simplify right side
    434,547.60x = 214,821,821,712.24
  5. Step 5: Solve for x
    x = 214,821,821,712.24/434,547.60
  6. Step 6: Final answer
    x = 494,357.40

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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.