Home / 847,652.95-1,270,688.82-286,294.87

Finding the Fourth Proportional to 847,652.95, 1,270,688.82 and 286,294.87

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Solution

The fourth proportional to 847,652.95, 1,270,688.82 and 286,294.87 is: 429,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,652.95 : 1,270,688.82 = 286,294.87 : x
  2. Step 2: Convert to fraction form
    847,652.95/1,270,688.82 = 286,294.87/x
  3. Step 3: Cross multiply
    847,652.95x = 1,270,688.82 × 286,294.87
  4. Step 4: Simplify right side
    847,652.95x = 363,791,690,532.35
  5. Step 5: Solve for x
    x = 363,791,690,532.35/847,652.95
  6. Step 6: Final answer
    x = 429,175.28

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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.