Home / 738,088.27-1,018,565.45-415,803.44

Finding the Fourth Proportional to 738,088.27, 1,018,565.45 and 415,803.44

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Solution

The fourth proportional to 738,088.27, 1,018,565.45 and 415,803.44 is: 573,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,088.27 : 1,018,565.45 = 415,803.44 : x
  2. Step 2: Convert to fraction form
    738,088.27/1,018,565.45 = 415,803.44/x
  3. Step 3: Cross multiply
    738,088.27x = 1,018,565.45 × 415,803.44
  4. Step 4: Simplify right side
    738,088.27x = 423,523,020,001.81
  5. Step 5: Solve for x
    x = 423,523,020,001.81/738,088.27
  6. Step 6: Final answer
    x = 573,810.80

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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.