Home / 948,424.57-1,308,822.98-512,838.87

Finding the Fourth Proportional to 948,424.57, 1,308,822.98 and 512,838.87

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Solution

The fourth proportional to 948,424.57, 1,308,822.98 and 512,838.87 is: 707,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,424.57 : 1,308,822.98 = 512,838.87 : x
  2. Step 2: Convert to fraction form
    948,424.57/1,308,822.98 = 512,838.87/x
  3. Step 3: Cross multiply
    948,424.57x = 1,308,822.98 × 512,838.87
  4. Step 4: Simplify right side
    948,424.57x = 671,215,290,620.95
  5. Step 5: Solve for x
    x = 671,215,290,620.95/948,424.57
  6. Step 6: Final answer
    x = 707,716.05

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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.