Home / 781,292.81-1,172,056.23-282,773.45

Finding the Fourth Proportional to 781,292.81, 1,172,056.23 and 282,773.45

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Solution

The fourth proportional to 781,292.81, 1,172,056.23 and 282,773.45 is: 424,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,292.81 : 1,172,056.23 = 282,773.45 : x
  2. Step 2: Convert to fraction form
    781,292.81/1,172,056.23 = 282,773.45/x
  3. Step 3: Cross multiply
    781,292.81x = 1,172,056.23 × 282,773.45
  4. Step 4: Simplify right side
    781,292.81x = 331,426,386,681.23
  5. Step 5: Solve for x
    x = 331,426,386,681.23/781,292.81
  6. Step 6: Final answer
    x = 424,202.53

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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.