Home / 790,012.24-1,090,751.34-518,541.64

Finding the Fourth Proportional to 790,012.24, 1,090,751.34 and 518,541.64

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Solution

The fourth proportional to 790,012.24, 1,090,751.34 and 518,541.64 is: 715,938.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,012.24 : 1,090,751.34 = 518,541.64 : x
  2. Step 2: Convert to fraction form
    790,012.24/1,090,751.34 = 518,541.64/x
  3. Step 3: Cross multiply
    790,012.24x = 1,090,751.34 × 518,541.64
  4. Step 4: Simplify right side
    790,012.24x = 565,599,988,675.80
  5. Step 5: Solve for x
    x = 565,599,988,675.80/790,012.24
  6. Step 6: Final answer
    x = 715,938.26

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Double scale
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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.