Home / 790,614.28-1,091,048.16-428,038.23

Finding the Fourth Proportional to 790,614.28, 1,091,048.16 and 428,038.23

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Solution

The fourth proportional to 790,614.28, 1,091,048.16 and 428,038.23 is: 590,693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,614.28 : 1,091,048.16 = 428,038.23 : x
  2. Step 2: Convert to fraction form
    790,614.28/1,091,048.16 = 428,038.23/x
  3. Step 3: Cross multiply
    790,614.28x = 1,091,048.16 × 428,038.23
  4. Step 4: Simplify right side
    790,614.28x = 467,010,323,251.16
  5. Step 5: Solve for x
    x = 467,010,323,251.16/790,614.28
  6. Step 6: Final answer
    x = 590,693.00

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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.