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Finding the Fourth Proportional to 662,136.60, 992,184.30 and 492,862.80

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Solution

The fourth proportional to 662,136.60, 992,184.30 and 492,862.80 is: 738,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,136.60 : 992,184.30 = 492,862.80 : x
  2. Step 2: Convert to fraction form
    662,136.60/992,184.30 = 492,862.80/x
  3. Step 3: Cross multiply
    662,136.60x = 992,184.30 × 492,862.80
  4. Step 4: Simplify right side
    662,136.60x = 489,010,732,214.04
  5. Step 5: Solve for x
    x = 489,010,732,214.04/662,136.60
  6. Step 6: Final answer
    x = 738,534.51

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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.