Home / 912,376.45-1,259,106.02-498,937.53

Finding the Fourth Proportional to 912,376.45, 1,259,106.02 and 498,937.53

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Solution

The fourth proportional to 912,376.45, 1,259,106.02 and 498,937.53 is: 688,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,376.45 : 1,259,106.02 = 498,937.53 : x
  2. Step 2: Convert to fraction form
    912,376.45/1,259,106.02 = 498,937.53/x
  3. Step 3: Cross multiply
    912,376.45x = 1,259,106.02 × 498,937.53
  4. Step 4: Simplify right side
    912,376.45x = 628,215,251,724.91
  5. Step 5: Solve for x
    x = 628,215,251,724.91/912,376.45
  6. Step 6: Final answer
    x = 688,548.30

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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.