Home / 724,851.60-1,087,795.80-304,429.20

Finding the Fourth Proportional to 724,851.60, 1,087,795.80 and 304,429.20

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Solution

The fourth proportional to 724,851.60, 1,087,795.80 and 304,429.20 is: 456,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,851.60 : 1,087,795.80 = 304,429.20 : x
  2. Step 2: Convert to fraction form
    724,851.60/1,087,795.80 = 304,429.20/x
  3. Step 3: Cross multiply
    724,851.60x = 1,087,795.80 × 304,429.20
  4. Step 4: Simplify right side
    724,851.60x = 331,156,805,157.36
  5. Step 5: Solve for x
    x = 331,156,805,157.36/724,851.60
  6. Step 6: Final answer
    x = 456,861.52

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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.