Home / 908,436.40-1,360,030.20-554,142.40

Finding the Fourth Proportional to 908,436.40, 1,360,030.20 and 554,142.40

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Solution

The fourth proportional to 908,436.40, 1,360,030.20 and 554,142.40 is: 829,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,436.40 : 1,360,030.20 = 554,142.40 : x
  2. Step 2: Convert to fraction form
    908,436.40/1,360,030.20 = 554,142.40/x
  3. Step 3: Cross multiply
    908,436.40x = 1,360,030.20 × 554,142.40
  4. Step 4: Simplify right side
    908,436.40x = 753,650,399,100.48
  5. Step 5: Solve for x
    x = 753,650,399,100.48/908,436.40
  6. Step 6: Final answer
    x = 829,612.73

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Double scale
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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.