Home / 724,583.80-1,086,875.70-556,427.80

Finding the Fourth Proportional to 724,583.80, 1,086,875.70 and 556,427.80

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Solution

The fourth proportional to 724,583.80, 1,086,875.70 and 556,427.80 is: 834,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,583.80 : 1,086,875.70 = 556,427.80 : x
  2. Step 2: Convert to fraction form
    724,583.80/1,086,875.70 = 556,427.80/x
  3. Step 3: Cross multiply
    724,583.80x = 1,086,875.70 × 556,427.80
  4. Step 4: Simplify right side
    724,583.80x = 604,767,854,624.46
  5. Step 5: Solve for x
    x = 604,767,854,624.46/724,583.80
  6. Step 6: Final answer
    x = 834,641.70

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Similar ratio
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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.