Home / 807,101.60-1,210,652.40-555,159.20

Finding the Fourth Proportional to 807,101.60, 1,210,652.40 and 555,159.20

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Solution

The fourth proportional to 807,101.60, 1,210,652.40 and 555,159.20 is: 832,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,101.60 : 1,210,652.40 = 555,159.20 : x
  2. Step 2: Convert to fraction form
    807,101.60/1,210,652.40 = 555,159.20/x
  3. Step 3: Cross multiply
    807,101.60x = 1,210,652.40 × 555,159.20
  4. Step 4: Simplify right side
    807,101.60x = 672,104,817,862.08
  5. Step 5: Solve for x
    x = 672,104,817,862.08/807,101.60
  6. Step 6: Final answer
    x = 832,738.80

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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.