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Finding the Fourth Proportional to 658,116.80, 986,519.10 and 302,510.60

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Solution

The fourth proportional to 658,116.80, 986,519.10 and 302,510.60 is: 453,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,116.80 : 986,519.10 = 302,510.60 : x
  2. Step 2: Convert to fraction form
    658,116.80/986,519.10 = 302,510.60/x
  3. Step 3: Cross multiply
    658,116.80x = 986,519.10 × 302,510.60
  4. Step 4: Simplify right side
    658,116.80x = 298,432,484,852.46
  5. Step 5: Solve for x
    x = 298,432,484,852.46/658,116.80
  6. Step 6: Final answer
    x = 453,464.32

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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.