Home / 761,995.60-1,142,193.28-256,381.04

Finding the Fourth Proportional to 761,995.60, 1,142,193.28 and 256,381.04

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Solution

The fourth proportional to 761,995.60, 1,142,193.28 and 256,381.04 is: 384,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,995.60 : 1,142,193.28 = 256,381.04 : x
  2. Step 2: Convert to fraction form
    761,995.60/1,142,193.28 = 256,381.04/x
  3. Step 3: Cross multiply
    761,995.60x = 1,142,193.28 × 256,381.04
  4. Step 4: Simplify right side
    761,995.60x = 292,836,701,007.41
  5. Step 5: Solve for x
    x = 292,836,701,007.41/761,995.60
  6. Step 6: Final answer
    x = 384,302.35

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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.