Home / 942,971.64-1,301,291.10-513,251.16

Finding the Fourth Proportional to 942,971.64, 1,301,291.10 and 513,251.16

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Solution

The fourth proportional to 942,971.64, 1,301,291.10 and 513,251.16 is: 708,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,971.64 : 1,301,291.10 = 513,251.16 : x
  2. Step 2: Convert to fraction form
    942,971.64/1,301,291.10 = 513,251.16/x
  3. Step 3: Cross multiply
    942,971.64x = 1,301,291.10 × 513,251.16
  4. Step 4: Simplify right side
    942,971.64x = 667,889,166,572.68
  5. Step 5: Solve for x
    x = 667,889,166,572.68/942,971.64
  6. Step 6: Final answer
    x = 708,281.29

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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.