Home / 684,423.95-944,480.30-374,315.94

Finding the Fourth Proportional to 684,423.95, 944,480.30 and 374,315.94

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Solution

The fourth proportional to 684,423.95, 944,480.30 and 374,315.94 is: 516,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,423.95 : 944,480.30 = 374,315.94 : x
  2. Step 2: Convert to fraction form
    684,423.95/944,480.30 = 374,315.94/x
  3. Step 3: Cross multiply
    684,423.95x = 944,480.30 × 374,315.94
  4. Step 4: Simplify right side
    684,423.95x = 353,534,034,196.28
  5. Step 5: Solve for x
    x = 353,534,034,196.28/684,423.95
  6. Step 6: Final answer
    x = 516,542.46

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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.