Home / 753,346.09-1,039,625.23-409,188.74

Finding the Fourth Proportional to 753,346.09, 1,039,625.23 and 409,188.74

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Solution

The fourth proportional to 753,346.09, 1,039,625.23 and 409,188.74 is: 564,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,346.09 : 1,039,625.23 = 409,188.74 : x
  2. Step 2: Convert to fraction form
    753,346.09/1,039,625.23 = 409,188.74/x
  3. Step 3: Cross multiply
    753,346.09x = 1,039,625.23 × 409,188.74
  4. Step 4: Simplify right side
    753,346.09x = 425,402,931,714.81
  5. Step 5: Solve for x
    x = 425,402,931,714.81/753,346.09
  6. Step 6: Final answer
    x = 564,684.60

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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.