Home / 906,492.79-1,250,962.55-498,636.43

Finding the Fourth Proportional to 906,492.79, 1,250,962.55 and 498,636.43

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Solution

The fourth proportional to 906,492.79, 1,250,962.55 and 498,636.43 is: 688,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,492.79 : 1,250,962.55 = 498,636.43 : x
  2. Step 2: Convert to fraction form
    906,492.79/1,250,962.55 = 498,636.43/x
  3. Step 3: Cross multiply
    906,492.79x = 1,250,962.55 × 498,636.43
  4. Step 4: Simplify right side
    906,492.79x = 623,775,499,995.70
  5. Step 5: Solve for x
    x = 623,775,499,995.70/906,492.79
  6. Step 6: Final answer
    x = 688,119.65

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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.