Home / 773,109.90-1,159,664.85-457,404.30

Finding the Fourth Proportional to 773,109.90, 1,159,664.85 and 457,404.30

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Solution

The fourth proportional to 773,109.90, 1,159,664.85 and 457,404.30 is: 686,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,109.90 : 1,159,664.85 = 457,404.30 : x
  2. Step 2: Convert to fraction form
    773,109.90/1,159,664.85 = 457,404.30/x
  3. Step 3: Cross multiply
    773,109.90x = 1,159,664.85 × 457,404.30
  4. Step 4: Simplify right side
    773,109.90x = 530,435,688,948.86
  5. Step 5: Solve for x
    x = 530,435,688,948.86/773,109.90
  6. Step 6: Final answer
    x = 686,106.45

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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.