Home / 871,275.60-1,306,913.40-572,677.20

Finding the Fourth Proportional to 871,275.60, 1,306,913.40 and 572,677.20

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Solution

The fourth proportional to 871,275.60, 1,306,913.40 and 572,677.20 is: 859,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,275.60 : 1,306,913.40 = 572,677.20 : x
  2. Step 2: Convert to fraction form
    871,275.60/1,306,913.40 = 572,677.20/x
  3. Step 3: Cross multiply
    871,275.60x = 1,306,913.40 × 572,677.20
  4. Step 4: Simplify right side
    871,275.60x = 748,439,506,554.48
  5. Step 5: Solve for x
    x = 748,439,506,554.48/871,275.60
  6. Step 6: Final answer
    x = 859,015.80

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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.