Home / 1,038,963.60-1,558,445.40-329,209.20

Finding the Fourth Proportional to 1,038,963.60, 1,558,445.40 and 329,209.20

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Solution

The fourth proportional to 1,038,963.60, 1,558,445.40 and 329,209.20 is: 493,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,963.60 : 1,558,445.40 = 329,209.20 : x
  2. Step 2: Convert to fraction form
    1,038,963.60/1,558,445.40 = 329,209.20/x
  3. Step 3: Cross multiply
    1,038,963.60x = 1,558,445.40 × 329,209.20
  4. Step 4: Simplify right side
    1,038,963.60x = 513,054,563,377.68
  5. Step 5: Solve for x
    x = 513,054,563,377.68/1,038,963.60
  6. Step 6: Final answer
    x = 493,813.80

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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.