Home / 754,384.71-1,041,019.22-427,719.70

Finding the Fourth Proportional to 754,384.71, 1,041,019.22 and 427,719.70

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Solution

The fourth proportional to 754,384.71, 1,041,019.22 and 427,719.70 is: 590,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,384.71 : 1,041,019.22 = 427,719.70 : x
  2. Step 2: Convert to fraction form
    754,384.71/1,041,019.22 = 427,719.70/x
  3. Step 3: Cross multiply
    754,384.71x = 1,041,019.22 × 427,719.70
  4. Step 4: Simplify right side
    754,384.71x = 445,264,428,472.63
  5. Step 5: Solve for x
    x = 445,264,428,472.63/754,384.71
  6. Step 6: Final answer
    x = 590,235.22

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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.