Home / 908,006.19-1,252,938.84-520,801.55

Finding the Fourth Proportional to 908,006.19, 1,252,938.84 and 520,801.55

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Solution

The fourth proportional to 908,006.19, 1,252,938.84 and 520,801.55 is: 718,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,006.19 : 1,252,938.84 = 520,801.55 : x
  2. Step 2: Convert to fraction form
    908,006.19/1,252,938.84 = 520,801.55/x
  3. Step 3: Cross multiply
    908,006.19x = 1,252,938.84 × 520,801.55
  4. Step 4: Simplify right side
    908,006.19x = 652,532,489,927.20
  5. Step 5: Solve for x
    x = 652,532,489,927.20/908,006.19
  6. Step 6: Final answer
    x = 718,643.22

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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.