Home / 753,368.13-1,039,645.06-409,201.29

Finding the Fourth Proportional to 753,368.13, 1,039,645.06 and 409,201.29

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Solution

The fourth proportional to 753,368.13, 1,039,645.06 and 409,201.29 is: 564,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,368.13 : 1,039,645.06 = 409,201.29 : x
  2. Step 2: Convert to fraction form
    753,368.13/1,039,645.06 = 409,201.29/x
  3. Step 3: Cross multiply
    753,368.13x = 1,039,645.06 × 409,201.29
  4. Step 4: Simplify right side
    753,368.13x = 425,424,098,671.12
  5. Step 5: Solve for x
    x = 425,424,098,671.12/753,368.13
  6. Step 6: Final answer
    x = 564,696.17

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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.