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Finding the Fourth Proportional to 463,453.20, 695,179.80 and 358,477.20

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Solution

The fourth proportional to 463,453.20, 695,179.80 and 358,477.20 is: 537,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,453.20 : 695,179.80 = 358,477.20 : x
  2. Step 2: Convert to fraction form
    463,453.20/695,179.80 = 358,477.20/x
  3. Step 3: Cross multiply
    463,453.20x = 695,179.80 × 358,477.20
  4. Step 4: Simplify right side
    463,453.20x = 249,206,108,200.56
  5. Step 5: Solve for x
    x = 249,206,108,200.56/463,453.20
  6. Step 6: Final answer
    x = 537,715.80

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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.