Home / 781,521.48-1,165,259.16-714,795.12

Finding the Fourth Proportional to 781,521.48, 1,165,259.16 and 714,795.12

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Solution

The fourth proportional to 781,521.48, 1,165,259.16 and 714,795.12 is: 1,065,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,521.48 : 1,165,259.16 = 714,795.12 : x
  2. Step 2: Convert to fraction form
    781,521.48/1,165,259.16 = 714,795.12/x
  3. Step 3: Cross multiply
    781,521.48x = 1,165,259.16 × 714,795.12
  4. Step 4: Simplify right side
    781,521.48x = 832,921,561,103.30
  5. Step 5: Solve for x
    x = 832,921,561,103.30/781,521.48
  6. Step 6: Final answer
    x = 1,065,769.25

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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.