Home / 948,536.28-1,308,990.22-518,807.22

Finding the Fourth Proportional to 948,536.28, 1,308,990.22 and 518,807.22

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Solution

The fourth proportional to 948,536.28, 1,308,990.22 and 518,807.22 is: 715,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,536.28 : 1,308,990.22 = 518,807.22 : x
  2. Step 2: Convert to fraction form
    948,536.28/1,308,990.22 = 518,807.22/x
  3. Step 3: Cross multiply
    948,536.28x = 1,308,990.22 × 518,807.22
  4. Step 4: Simplify right side
    948,536.28x = 679,113,577,045.39
  5. Step 5: Solve for x
    x = 679,113,577,045.39/948,536.28
  6. Step 6: Final answer
    x = 715,959.52

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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.