Home / 711,808.40-1,070,045.40-502,893.20

Finding the Fourth Proportional to 711,808.40, 1,070,045.40 and 502,893.20

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Solution

The fourth proportional to 711,808.40, 1,070,045.40 and 502,893.20 is: 755,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,808.40 : 1,070,045.40 = 502,893.20 : x
  2. Step 2: Convert to fraction form
    711,808.40/1,070,045.40 = 502,893.20/x
  3. Step 3: Cross multiply
    711,808.40x = 1,070,045.40 × 502,893.20
  4. Step 4: Simplify right side
    711,808.40x = 538,118,555,351.28
  5. Step 5: Solve for x
    x = 538,118,555,351.28/711,808.40
  6. Step 6: Final answer
    x = 755,987.93

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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.