Home / 908,853.28-1,254,225.87-500,970.76

Finding the Fourth Proportional to 908,853.28, 1,254,225.87 and 500,970.76

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Solution

The fourth proportional to 908,853.28, 1,254,225.87 and 500,970.76 is: 691,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,853.28 : 1,254,225.87 = 500,970.76 : x
  2. Step 2: Convert to fraction form
    908,853.28/1,254,225.87 = 500,970.76/x
  3. Step 3: Cross multiply
    908,853.28x = 1,254,225.87 × 500,970.76
  4. Step 4: Simplify right side
    908,853.28x = 628,330,484,170.00
  5. Step 5: Solve for x
    x = 628,330,484,170.00/908,853.28
  6. Step 6: Final answer
    x = 691,344.25

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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.