Home / 793,397.76-1,188,064.80-438,017.28

Finding the Fourth Proportional to 793,397.76, 1,188,064.80 and 438,017.28

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Solution

The fourth proportional to 793,397.76, 1,188,064.80 and 438,017.28 is: 655,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,397.76 : 1,188,064.80 = 438,017.28 : x
  2. Step 2: Convert to fraction form
    793,397.76/1,188,064.80 = 438,017.28/x
  3. Step 3: Cross multiply
    793,397.76x = 1,188,064.80 × 438,017.28
  4. Step 4: Simplify right side
    793,397.76x = 520,392,912,159.74
  5. Step 5: Solve for x
    x = 520,392,912,159.74/793,397.76
  6. Step 6: Final answer
    x = 655,904.19

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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.