Home / 724,312.32-1,087,534.94-405,089.59

Finding the Fourth Proportional to 724,312.32, 1,087,534.94 and 405,089.59

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Solution

The fourth proportional to 724,312.32, 1,087,534.94 and 405,089.59 is: 608,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,312.32 : 1,087,534.94 = 405,089.59 : x
  2. Step 2: Convert to fraction form
    724,312.32/1,087,534.94 = 405,089.59/x
  3. Step 3: Cross multiply
    724,312.32x = 1,087,534.94 × 405,089.59
  4. Step 4: Simplify right side
    724,312.32x = 440,549,082,955.28
  5. Step 5: Solve for x
    x = 440,549,082,955.28/724,312.32
  6. Step 6: Final answer
    x = 608,230.83

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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.