Home / 790,041.12-1,090,252.08-450,502.08

Finding the Fourth Proportional to 790,041.12, 1,090,252.08 and 450,502.08

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Solution

The fourth proportional to 790,041.12, 1,090,252.08 and 450,502.08 is: 621,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,041.12 : 1,090,252.08 = 450,502.08 : x
  2. Step 2: Convert to fraction form
    790,041.12/1,090,252.08 = 450,502.08/x
  3. Step 3: Cross multiply
    790,041.12x = 1,090,252.08 × 450,502.08
  4. Step 4: Simplify right side
    790,041.12x = 491,160,829,764.33
  5. Step 5: Solve for x
    x = 491,160,829,764.33/790,041.12
  6. Step 6: Final answer
    x = 621,690.21

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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.