Home / 790,781.08-1,091,283.11-428,204.93

Finding the Fourth Proportional to 790,781.08, 1,091,283.11 and 428,204.93

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Solution

The fourth proportional to 790,781.08, 1,091,283.11 and 428,204.93 is: 590,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,781.08 : 1,091,283.11 = 428,204.93 : x
  2. Step 2: Convert to fraction form
    790,781.08/1,091,283.11 = 428,204.93/x
  3. Step 3: Cross multiply
    790,781.08x = 1,091,283.11 × 428,204.93
  4. Step 4: Simplify right side
    790,781.08x = 467,292,805,586.71
  5. Step 5: Solve for x
    x = 467,292,805,586.71/790,781.08
  6. Step 6: Final answer
    x = 590,925.63

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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.