Home / 914,807.65-1,262,415.70-506,905.92

Finding the Fourth Proportional to 914,807.65, 1,262,415.70 and 506,905.92

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Solution

The fourth proportional to 914,807.65, 1,262,415.70 and 506,905.92 is: 699,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,807.65 : 1,262,415.70 = 506,905.92 : x
  2. Step 2: Convert to fraction form
    914,807.65/1,262,415.70 = 506,905.92/x
  3. Step 3: Cross multiply
    914,807.65x = 1,262,415.70 × 506,905.92
  4. Step 4: Simplify right side
    914,807.65x = 639,925,984,251.60
  5. Step 5: Solve for x
    x = 639,925,984,251.60/914,807.65
  6. Step 6: Final answer
    x = 699,519.71

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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.