Home / 867,937.20-1,301,711.40-570,505.20

Finding the Fourth Proportional to 867,937.20, 1,301,711.40 and 570,505.20

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Solution

The fourth proportional to 867,937.20, 1,301,711.40 and 570,505.20 is: 855,630.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,937.20 : 1,301,711.40 = 570,505.20 : x
  2. Step 2: Convert to fraction form
    867,937.20/1,301,711.40 = 570,505.20/x
  3. Step 3: Cross multiply
    867,937.20x = 1,301,711.40 × 570,505.20
  4. Step 4: Simplify right side
    867,937.20x = 742,633,122,599.28
  5. Step 5: Solve for x
    x = 742,633,122,599.28/867,937.20
  6. Step 6: Final answer
    x = 855,630.02

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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.