Home / 908,932.06-1,254,316.03-495,459.78

Finding the Fourth Proportional to 908,932.06, 1,254,316.03 and 495,459.78

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Solution

The fourth proportional to 908,932.06, 1,254,316.03 and 495,459.78 is: 683,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,932.06 : 1,254,316.03 = 495,459.78 : x
  2. Step 2: Convert to fraction form
    908,932.06/1,254,316.03 = 495,459.78/x
  3. Step 3: Cross multiply
    908,932.06x = 1,254,316.03 × 495,459.78
  4. Step 4: Simplify right side
    908,932.06x = 621,463,150,308.71
  5. Step 5: Solve for x
    x = 621,463,150,308.71/908,932.06
  6. Step 6: Final answer
    x = 683,728.94

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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.