Home / 790,527.80-1,090,928.14-427,951.40

Finding the Fourth Proportional to 790,527.80, 1,090,928.14 and 427,951.40

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Solution

The fourth proportional to 790,527.80, 1,090,928.14 and 427,951.40 is: 590,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,527.80 : 1,090,928.14 = 427,951.40 : x
  2. Step 2: Convert to fraction form
    790,527.80/1,090,928.14 = 427,951.40/x
  3. Step 3: Cross multiply
    790,527.80x = 1,090,928.14 × 427,951.40
  4. Step 4: Simplify right side
    790,527.80x = 466,864,218,287.88
  5. Step 5: Solve for x
    x = 466,864,218,287.88/790,527.80
  6. Step 6: Final answer
    x = 590,572.80

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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.