Home / 497,763.95-686,955.08-282,971.39

Finding the Fourth Proportional to 497,763.95, 686,955.08 and 282,971.39

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Solution

The fourth proportional to 497,763.95, 686,955.08 and 282,971.39 is: 390,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,763.95 : 686,955.08 = 282,971.39 : x
  2. Step 2: Convert to fraction form
    497,763.95/686,955.08 = 282,971.39/x
  3. Step 3: Cross multiply
    497,763.95x = 686,955.08 × 282,971.39
  4. Step 4: Simplify right side
    497,763.95x = 194,388,632,440.30
  5. Step 5: Solve for x
    x = 194,388,632,440.30/497,763.95
  6. Step 6: Final answer
    x = 390,523.73

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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.