Home / 790,058.94-1,090,280.63-445,967.30

Finding the Fourth Proportional to 790,058.94, 1,090,280.63 and 445,967.30

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Solution

The fourth proportional to 790,058.94, 1,090,280.63 and 445,967.30 is: 615,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,058.94 : 1,090,280.63 = 445,967.30 : x
  2. Step 2: Convert to fraction form
    790,058.94/1,090,280.63 = 445,967.30/x
  3. Step 3: Cross multiply
    790,058.94x = 1,090,280.63 × 445,967.30
  4. Step 4: Simplify right side
    790,058.94x = 486,229,508,803.40
  5. Step 5: Solve for x
    x = 486,229,508,803.40/790,058.94
  6. Step 6: Final answer
    x = 615,434.47

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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.