Home / 662,423.36-992,970.64-307,686.52

Finding the Fourth Proportional to 662,423.36, 992,970.64 and 307,686.52

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Solution

The fourth proportional to 662,423.36, 992,970.64 and 307,686.52 is: 461,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,423.36 : 992,970.64 = 307,686.52 : x
  2. Step 2: Convert to fraction form
    662,423.36/992,970.64 = 307,686.52/x
  3. Step 3: Cross multiply
    662,423.36x = 992,970.64 × 307,686.52
  4. Step 4: Simplify right side
    662,423.36x = 305,523,680,683.77
  5. Step 5: Solve for x
    x = 305,523,680,683.77/662,423.36
  6. Step 6: Final answer
    x = 461,221.18

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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.