Home / 746,064.18-1,118,160.30-319,098.91

Finding the Fourth Proportional to 746,064.18, 1,118,160.30 and 319,098.91

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Solution

The fourth proportional to 746,064.18, 1,118,160.30 and 319,098.91 is: 478,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,064.18 : 1,118,160.30 = 319,098.91 : x
  2. Step 2: Convert to fraction form
    746,064.18/1,118,160.30 = 319,098.91/x
  3. Step 3: Cross multiply
    746,064.18x = 1,118,160.30 × 319,098.91
  4. Step 4: Simplify right side
    746,064.18x = 356,803,728,940.18
  5. Step 5: Solve for x
    x = 356,803,728,940.18/746,064.18
  6. Step 6: Final answer
    x = 478,248.04

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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.