Home / 628,079.45-937,864.85-498,542.42

Finding the Fourth Proportional to 628,079.45, 937,864.85 and 498,542.42

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Solution

The fourth proportional to 628,079.45, 937,864.85 and 498,542.42 is: 744,436.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,079.45 : 937,864.85 = 498,542.42 : x
  2. Step 2: Convert to fraction form
    628,079.45/937,864.85 = 498,542.42/x
  3. Step 3: Cross multiply
    628,079.45x = 937,864.85 × 498,542.42
  4. Step 4: Simplify right side
    628,079.45x = 467,565,411,803.89
  5. Step 5: Solve for x
    x = 467,565,411,803.89/628,079.45
  6. Step 6: Final answer
    x = 744,436.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.