Home / 918,258.42-1,267,218.17-510,377.46

Finding the Fourth Proportional to 918,258.42, 1,267,218.17 and 510,377.46

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Solution

The fourth proportional to 918,258.42, 1,267,218.17 and 510,377.46 is: 704,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,258.42 : 1,267,218.17 = 510,377.46 : x
  2. Step 2: Convert to fraction form
    918,258.42/1,267,218.17 = 510,377.46/x
  3. Step 3: Cross multiply
    918,258.42x = 1,267,218.17 × 510,377.46
  4. Step 4: Simplify right side
    918,258.42x = 646,759,585,480.41
  5. Step 5: Solve for x
    x = 646,759,585,480.41/918,258.42
  6. Step 6: Final answer
    x = 704,332.86

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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.