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Finding the Fourth Proportional to 652,312.80, 977,302.80 and 552,002.40

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Solution

The fourth proportional to 652,312.80, 977,302.80 and 552,002.40 is: 827,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,312.80 : 977,302.80 = 552,002.40 : x
  2. Step 2: Convert to fraction form
    652,312.80/977,302.80 = 552,002.40/x
  3. Step 3: Cross multiply
    652,312.80x = 977,302.80 × 552,002.40
  4. Step 4: Simplify right side
    652,312.80x = 539,473,491,126.72
  5. Step 5: Solve for x
    x = 539,473,491,126.72/652,312.80
  6. Step 6: Final answer
    x = 827,016.56

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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.