Home / 915,797.48-1,263,878.17-508,030.72

Finding the Fourth Proportional to 915,797.48, 1,263,878.17 and 508,030.72

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Solution

The fourth proportional to 915,797.48, 1,263,878.17 and 508,030.72 is: 701,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,797.48 : 1,263,878.17 = 508,030.72 : x
  2. Step 2: Convert to fraction form
    915,797.48/1,263,878.17 = 508,030.72/x
  3. Step 3: Cross multiply
    915,797.48x = 1,263,878.17 × 508,030.72
  4. Step 4: Simplify right side
    915,797.48x = 642,088,932,267.61
  5. Step 5: Solve for x
    x = 642,088,932,267.61/915,797.48
  6. Step 6: Final answer
    x = 701,125.47

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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.