Home / 906,492.54-1,250,962.20-498,636.18

Finding the Fourth Proportional to 906,492.54, 1,250,962.20 and 498,636.18

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Solution

The fourth proportional to 906,492.54, 1,250,962.20 and 498,636.18 is: 688,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,492.54 : 1,250,962.20 = 498,636.18 : x
  2. Step 2: Convert to fraction form
    906,492.54/1,250,962.20 = 498,636.18/x
  3. Step 3: Cross multiply
    906,492.54x = 1,250,962.20 × 498,636.18
  4. Step 4: Simplify right side
    906,492.54x = 623,775,012,732.40
  5. Step 5: Solve for x
    x = 623,775,012,732.40/906,492.54
  6. Step 6: Final answer
    x = 688,119.30

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1.5x scale

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.