Home / 498,595.32-748,557.18-424,193.58

Finding the Fourth Proportional to 498,595.32, 748,557.18 and 424,193.58

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Solution

The fourth proportional to 498,595.32, 748,557.18 and 424,193.58 is: 636,855.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,595.32 : 748,557.18 = 424,193.58 : x
  2. Step 2: Convert to fraction form
    498,595.32/748,557.18 = 424,193.58/x
  3. Step 3: Cross multiply
    498,595.32x = 748,557.18 × 424,193.58
  4. Step 4: Simplify right side
    498,595.32x = 317,533,150,018.90
  5. Step 5: Solve for x
    x = 317,533,150,018.90/498,595.32
  6. Step 6: Final answer
    x = 636,855.46

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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.