Home / 724,875.23-1,000,340.18-398,202.01

Finding the Fourth Proportional to 724,875.23, 1,000,340.18 and 398,202.01

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Solution

The fourth proportional to 724,875.23, 1,000,340.18 and 398,202.01 is: 549,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,875.23 : 1,000,340.18 = 398,202.01 : x
  2. Step 2: Convert to fraction form
    724,875.23/1,000,340.18 = 398,202.01/x
  3. Step 3: Cross multiply
    724,875.23x = 1,000,340.18 × 398,202.01
  4. Step 4: Simplify right side
    724,875.23x = 398,337,471,581.35
  5. Step 5: Solve for x
    x = 398,337,471,581.35/724,875.23
  6. Step 6: Final answer
    x = 549,525.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.