Home / 753,346.01-1,039,625.12-409,188.66

Finding the Fourth Proportional to 753,346.01, 1,039,625.12 and 409,188.66

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Solution

The fourth proportional to 753,346.01, 1,039,625.12 and 409,188.66 is: 564,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,346.01 : 1,039,625.12 = 409,188.66 : x
  2. Step 2: Convert to fraction form
    753,346.01/1,039,625.12 = 409,188.66/x
  3. Step 3: Cross multiply
    753,346.01x = 1,039,625.12 × 409,188.66
  4. Step 4: Simplify right side
    753,346.01x = 425,402,805,728.67
  5. Step 5: Solve for x
    x = 425,402,805,728.67/753,346.01
  6. Step 6: Final answer
    x = 564,684.49

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Why These Related Problems?

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