Home / 903,934.80-1,247,426.55-496,043.46

Finding the Fourth Proportional to 903,934.80, 1,247,426.55 and 496,043.46

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Solution

The fourth proportional to 903,934.80, 1,247,426.55 and 496,043.46 is: 684,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,934.80 : 1,247,426.55 = 496,043.46 : x
  2. Step 2: Convert to fraction form
    903,934.80/1,247,426.55 = 496,043.46/x
  3. Step 3: Cross multiply
    903,934.80x = 1,247,426.55 × 496,043.46
  4. Step 4: Simplify right side
    903,934.80x = 618,777,781,957.86
  5. Step 5: Solve for x
    x = 618,777,781,957.86/903,934.80
  6. Step 6: Final answer
    x = 684,538.07

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1.5x scale

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.