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Finding the Fourth Proportional to 802,304.90, 1,107,302.70 and 512,041.70

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Solution

The fourth proportional to 802,304.90, 1,107,302.70 and 512,041.70 is: 706,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,304.90 : 1,107,302.70 = 512,041.70 : x
  2. Step 2: Convert to fraction form
    802,304.90/1,107,302.70 = 512,041.70/x
  3. Step 3: Cross multiply
    802,304.90x = 1,107,302.70 × 512,041.70
  4. Step 4: Simplify right side
    802,304.90x = 566,985,161,611.00
  5. Step 5: Solve for x
    x = 566,985,161,611.00/802,304.90
  6. Step 6: Final answer
    x = 706,695.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.