Home / 903,277.06-1,246,432.53-521,426.86

Finding the Fourth Proportional to 903,277.06, 1,246,432.53 and 521,426.86

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Solution

The fourth proportional to 903,277.06, 1,246,432.53 and 521,426.86 is: 719,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,277.06 : 1,246,432.53 = 521,426.86 : x
  2. Step 2: Convert to fraction form
    903,277.06/1,246,432.53 = 521,426.86/x
  3. Step 3: Cross multiply
    903,277.06x = 1,246,432.53 × 521,426.86
  4. Step 4: Simplify right side
    903,277.06x = 649,923,400,319.76
  5. Step 5: Solve for x
    x = 649,923,400,319.76/903,277.06
  6. Step 6: Final answer
    x = 719,517.22

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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.