Home / 781,336.80-1,169,672.40-465,631.20

Finding the Fourth Proportional to 781,336.80, 1,169,672.40 and 465,631.20

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Solution

The fourth proportional to 781,336.80, 1,169,672.40 and 465,631.20 is: 697,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,336.80 : 1,169,672.40 = 465,631.20 : x
  2. Step 2: Convert to fraction form
    781,336.80/1,169,672.40 = 465,631.20/x
  3. Step 3: Cross multiply
    781,336.80x = 1,169,672.40 × 465,631.20
  4. Step 4: Simplify right side
    781,336.80x = 544,635,963,218.88
  5. Step 5: Solve for x
    x = 544,635,963,218.88/781,336.80
  6. Step 6: Final answer
    x = 697,056.59

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1.5x scale

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.