Home / 790,055.19-1,090,275.46-445,963.55

Finding the Fourth Proportional to 790,055.19, 1,090,275.46 and 445,963.55

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Solution

The fourth proportional to 790,055.19, 1,090,275.46 and 445,963.55 is: 615,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,055.19 : 1,090,275.46 = 445,963.55 : x
  2. Step 2: Convert to fraction form
    790,055.19/1,090,275.46 = 445,963.55/x
  3. Step 3: Cross multiply
    790,055.19x = 1,090,275.46 × 445,963.55
  4. Step 4: Simplify right side
    790,055.19x = 486,223,108,053.20
  5. Step 5: Solve for x
    x = 486,223,108,053.20/790,055.19
  6. Step 6: Final answer
    x = 615,429.29

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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.