Home / 908,439.40-1,360,034.70-554,145.40

Finding the Fourth Proportional to 908,439.40, 1,360,034.70 and 554,145.40

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Solution

The fourth proportional to 908,439.40, 1,360,034.70 and 554,145.40 is: 829,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,439.40 : 1,360,034.70 = 554,145.40 : x
  2. Step 2: Convert to fraction form
    908,439.40/1,360,034.70 = 554,145.40/x
  3. Step 3: Cross multiply
    908,439.40x = 1,360,034.70 × 554,145.40
  4. Step 4: Simplify right side
    908,439.40x = 753,656,972,845.38
  5. Step 5: Solve for x
    x = 753,656,972,845.38/908,439.40
  6. Step 6: Final answer
    x = 829,617.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.