Home / 762,506.93-1,142,962.29-256,893.18

Finding the Fourth Proportional to 762,506.93, 1,142,962.29 and 256,893.18

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Solution

The fourth proportional to 762,506.93, 1,142,962.29 and 256,893.18 is: 385,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,506.93 : 1,142,962.29 = 256,893.18 : x
  2. Step 2: Convert to fraction form
    762,506.93/1,142,962.29 = 256,893.18/x
  3. Step 3: Cross multiply
    762,506.93x = 1,142,962.29 × 256,893.18
  4. Step 4: Simplify right side
    762,506.93x = 293,619,217,298.18
  5. Step 5: Solve for x
    x = 293,619,217,298.18/762,506.93
  6. Step 6: Final answer
    x = 385,070.88

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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.