Home / 878,758.66-1,316,848.39-495,254.11

Finding the Fourth Proportional to 878,758.66, 1,316,848.39 and 495,254.11

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Solution

The fourth proportional to 878,758.66, 1,316,848.39 and 495,254.11 is: 742,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,758.66 : 1,316,848.39 = 495,254.11 : x
  2. Step 2: Convert to fraction form
    878,758.66/1,316,848.39 = 495,254.11/x
  3. Step 3: Cross multiply
    878,758.66x = 1,316,848.39 × 495,254.11
  4. Step 4: Simplify right side
    878,758.66x = 652,174,581,822.66
  5. Step 5: Solve for x
    x = 652,174,581,822.66/878,758.66
  6. Step 6: Final answer
    x = 742,154.37

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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.