Home / 857,677.62-1,284,892.56-572,508.30

Finding the Fourth Proportional to 857,677.62, 1,284,892.56 and 572,508.30

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Solution

The fourth proportional to 857,677.62, 1,284,892.56 and 572,508.30 is: 857,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,677.62 : 1,284,892.56 = 572,508.30 : x
  2. Step 2: Convert to fraction form
    857,677.62/1,284,892.56 = 572,508.30/x
  3. Step 3: Cross multiply
    857,677.62x = 1,284,892.56 × 572,508.30
  4. Step 4: Simplify right side
    857,677.62x = 735,611,655,208.25
  5. Step 5: Solve for x
    x = 735,611,655,208.25/857,677.62
  6. Step 6: Final answer
    x = 857,678.50

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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.