Home / 578,744.10-867,079.35-495,800.10

Finding the Fourth Proportional to 578,744.10, 867,079.35 and 495,800.10

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Solution

The fourth proportional to 578,744.10, 867,079.35 and 495,800.10 is: 742,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,744.10 : 867,079.35 = 495,800.10 : x
  2. Step 2: Convert to fraction form
    578,744.10/867,079.35 = 495,800.10/x
  3. Step 3: Cross multiply
    578,744.10x = 867,079.35 × 495,800.10
  4. Step 4: Simplify right side
    578,744.10x = 429,898,028,437.94
  5. Step 5: Solve for x
    x = 429,898,028,437.94/578,744.10
  6. Step 6: Final answer
    x = 742,811.94

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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.