Home / 829,700.32-1,145,006.40-467,136.16

Finding the Fourth Proportional to 829,700.32, 1,145,006.40 and 467,136.16

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Solution

The fourth proportional to 829,700.32, 1,145,006.40 and 467,136.16 is: 644,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,700.32 : 1,145,006.40 = 467,136.16 : x
  2. Step 2: Convert to fraction form
    829,700.32/1,145,006.40 = 467,136.16/x
  3. Step 3: Cross multiply
    829,700.32x = 1,145,006.40 × 467,136.16
  4. Step 4: Simplify right side
    829,700.32x = 534,873,892,871.42
  5. Step 5: Solve for x
    x = 534,873,892,871.42/829,700.32
  6. Step 6: Final answer
    x = 644,659.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.