Home / 984,931.04-1,359,123.20-555,316.80

Finding the Fourth Proportional to 984,931.04, 1,359,123.20 and 555,316.80

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Solution

The fourth proportional to 984,931.04, 1,359,123.20 and 555,316.80 is: 766,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,931.04 : 1,359,123.20 = 555,316.80 : x
  2. Step 2: Convert to fraction form
    984,931.04/1,359,123.20 = 555,316.80/x
  3. Step 3: Cross multiply
    984,931.04x = 1,359,123.20 × 555,316.80
  4. Step 4: Simplify right side
    984,931.04x = 754,743,946,229.76
  5. Step 5: Solve for x
    x = 754,743,946,229.76/984,931.04
  6. Step 6: Final answer
    x = 766,291.16

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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.