Home / 754,088.29-1,040,634.45-409,903.75

Finding the Fourth Proportional to 754,088.29, 1,040,634.45 and 409,903.75

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Solution

The fourth proportional to 754,088.29, 1,040,634.45 and 409,903.75 is: 565,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,088.29 : 1,040,634.45 = 409,903.75 : x
  2. Step 2: Convert to fraction form
    754,088.29/1,040,634.45 = 409,903.75/x
  3. Step 3: Cross multiply
    754,088.29x = 1,040,634.45 × 409,903.75
  4. Step 4: Simplify right side
    754,088.29x = 426,559,963,434.19
  5. Step 5: Solve for x
    x = 426,559,963,434.19/754,088.29
  6. Step 6: Final answer
    x = 565,663.16

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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.