Home / 790,225.65-1,090,514.82-427,649.54

Finding the Fourth Proportional to 790,225.65, 1,090,514.82 and 427,649.54

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Solution

The fourth proportional to 790,225.65, 1,090,514.82 and 427,649.54 is: 590,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,225.65 : 1,090,514.82 = 427,649.54 : x
  2. Step 2: Convert to fraction form
    790,225.65/1,090,514.82 = 427,649.54/x
  3. Step 3: Cross multiply
    790,225.65x = 1,090,514.82 × 427,649.54
  4. Step 4: Simplify right side
    790,225.65x = 466,358,155,683.61
  5. Step 5: Solve for x
    x = 466,358,155,683.61/790,225.65
  6. Step 6: Final answer
    x = 590,158.21

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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.