Home / 857,862.60-1,285,919.10-502,693.80

Finding the Fourth Proportional to 857,862.60, 1,285,919.10 and 502,693.80

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Solution

The fourth proportional to 857,862.60, 1,285,919.10 and 502,693.80 is: 753,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,862.60 : 1,285,919.10 = 502,693.80 : x
  2. Step 2: Convert to fraction form
    857,862.60/1,285,919.10 = 502,693.80/x
  3. Step 3: Cross multiply
    857,862.60x = 1,285,919.10 × 502,693.80
  4. Step 4: Simplify right side
    857,862.60x = 646,423,558,871.58
  5. Step 5: Solve for x
    x = 646,423,558,871.58/857,862.60
  6. Step 6: Final answer
    x = 753,528.08

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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.