Home / 912,443.24-1,258,666.62-530,427.80

Finding the Fourth Proportional to 912,443.24, 1,258,666.62 and 530,427.80

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Solution

The fourth proportional to 912,443.24, 1,258,666.62 and 530,427.80 is: 731,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,443.24 : 1,258,666.62 = 530,427.80 : x
  2. Step 2: Convert to fraction form
    912,443.24/1,258,666.62 = 530,427.80/x
  3. Step 3: Cross multiply
    912,443.24x = 1,258,666.62 × 530,427.80
  4. Step 4: Simplify right side
    912,443.24x = 667,631,766,180.04
  5. Step 5: Solve for x
    x = 667,631,766,180.04/912,443.24
  6. Step 6: Final answer
    x = 731,696.76

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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.