Home / 869,492.16-1,304,434.56-308,526.72

Finding the Fourth Proportional to 869,492.16, 1,304,434.56 and 308,526.72

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Solution

The fourth proportional to 869,492.16, 1,304,434.56 and 308,526.72 is: 462,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,492.16 : 1,304,434.56 = 308,526.72 : x
  2. Step 2: Convert to fraction form
    869,492.16/1,304,434.56 = 308,526.72/x
  3. Step 3: Cross multiply
    869,492.16x = 1,304,434.56 × 308,526.72
  4. Step 4: Simplify right side
    869,492.16x = 402,452,916,251.44
  5. Step 5: Solve for x
    x = 402,452,916,251.44/869,492.16
  6. Step 6: Final answer
    x = 462,859.74

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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.