Home / 949,294.80-1,310,016.81-513,702.60

Finding the Fourth Proportional to 949,294.80, 1,310,016.81 and 513,702.60

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Solution

The fourth proportional to 949,294.80, 1,310,016.81 and 513,702.60 is: 708,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,294.80 : 1,310,016.81 = 513,702.60 : x
  2. Step 2: Convert to fraction form
    949,294.80/1,310,016.81 = 513,702.60/x
  3. Step 3: Cross multiply
    949,294.80x = 1,310,016.81 × 513,702.60
  4. Step 4: Simplify right side
    949,294.80x = 672,959,041,340.71
  5. Step 5: Solve for x
    x = 672,959,041,340.71/949,294.80
  6. Step 6: Final answer
    x = 708,904.17

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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.