Home / 747,617.95-1,121,372.70-292,123.56

Finding the Fourth Proportional to 747,617.95, 1,121,372.70 and 292,123.56

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Solution

The fourth proportional to 747,617.95, 1,121,372.70 and 292,123.56 is: 438,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,617.95 : 1,121,372.70 = 292,123.56 : x
  2. Step 2: Convert to fraction form
    747,617.95/1,121,372.70 = 292,123.56/x
  3. Step 3: Cross multiply
    747,617.95x = 1,121,372.70 × 292,123.56
  4. Step 4: Simplify right side
    747,617.95x = 327,579,385,210.81
  5. Step 5: Solve for x
    x = 327,579,385,210.81/747,617.95
  6. Step 6: Final answer
    x = 438,164.15

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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.