Home / 790,535.28-1,090,939.02-427,959.12

Finding the Fourth Proportional to 790,535.28, 1,090,939.02 and 427,959.12

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Solution

The fourth proportional to 790,535.28, 1,090,939.02 and 427,959.12 is: 590,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,535.28 : 1,090,939.02 = 427,959.12 : x
  2. Step 2: Convert to fraction form
    790,535.28/1,090,939.02 = 427,959.12/x
  3. Step 3: Cross multiply
    790,535.28x = 1,090,939.02 × 427,959.12
  4. Step 4: Simplify right side
    790,535.28x = 466,877,302,972.86
  5. Step 5: Solve for x
    x = 466,877,302,972.86/790,535.28
  6. Step 6: Final answer
    x = 590,583.77

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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.