Home / 781,869.02-1,079,095.29-495,415.94

Finding the Fourth Proportional to 781,869.02, 1,079,095.29 and 495,415.94

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Solution

The fourth proportional to 781,869.02, 1,079,095.29 and 495,415.94 is: 683,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,869.02 : 1,079,095.29 = 495,415.94 : x
  2. Step 2: Convert to fraction form
    781,869.02/1,079,095.29 = 495,415.94/x
  3. Step 3: Cross multiply
    781,869.02x = 1,079,095.29 × 495,415.94
  4. Step 4: Simplify right side
    781,869.02x = 534,601,007,444.92
  5. Step 5: Solve for x
    x = 534,601,007,444.92/781,869.02
  6. Step 6: Final answer
    x = 683,747.53

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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.