Home / 913,151.48-1,368,562.64-433,378.35

Finding the Fourth Proportional to 913,151.48, 1,368,562.64 and 433,378.35

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Solution

The fourth proportional to 913,151.48, 1,368,562.64 and 433,378.35 is: 649,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,151.48 : 1,368,562.64 = 433,378.35 : x
  2. Step 2: Convert to fraction form
    913,151.48/1,368,562.64 = 433,378.35/x
  3. Step 3: Cross multiply
    913,151.48x = 1,368,562.64 × 433,378.35
  4. Step 4: Simplify right side
    913,151.48x = 593,105,416,627.95
  5. Step 5: Solve for x
    x = 593,105,416,627.95/913,151.48
  6. Step 6: Final answer
    x = 649,514.82

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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.