Home / 948,574.12-1,309,042.58-518,844.80

Finding the Fourth Proportional to 948,574.12, 1,309,042.58 and 518,844.80

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Solution

The fourth proportional to 948,574.12, 1,309,042.58 and 518,844.80 is: 716,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,574.12 : 1,309,042.58 = 518,844.80 : x
  2. Step 2: Convert to fraction form
    948,574.12/1,309,042.58 = 518,844.80/x
  3. Step 3: Cross multiply
    948,574.12x = 1,309,042.58 × 518,844.80
  4. Step 4: Simplify right side
    948,574.12x = 679,189,935,611.58
  5. Step 5: Solve for x
    x = 679,189,935,611.58/948,574.12
  6. Step 6: Final answer
    x = 716,011.45

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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.