Home / 731,289.49-1,009,148.69-425,366.46

Finding the Fourth Proportional to 731,289.49, 1,009,148.69 and 425,366.46

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Solution

The fourth proportional to 731,289.49, 1,009,148.69 and 425,366.46 is: 586,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,289.49 : 1,009,148.69 = 425,366.46 : x
  2. Step 2: Convert to fraction form
    731,289.49/1,009,148.69 = 425,366.46/x
  3. Step 3: Cross multiply
    731,289.49x = 1,009,148.69 × 425,366.46
  4. Step 4: Simplify right side
    731,289.49x = 429,258,005,878.94
  5. Step 5: Solve for x
    x = 429,258,005,878.94/731,289.49
  6. Step 6: Final answer
    x = 586,987.80

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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.