Home / 948,460.14-1,308,276.54-661,875.66

Finding the Fourth Proportional to 948,460.14, 1,308,276.54 and 661,875.66

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Solution

The fourth proportional to 948,460.14, 1,308,276.54 and 661,875.66 is: 912,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,460.14 : 1,308,276.54 = 661,875.66 : x
  2. Step 2: Convert to fraction form
    948,460.14/1,308,276.54 = 661,875.66/x
  3. Step 3: Cross multiply
    948,460.14x = 1,308,276.54 × 661,875.66
  4. Step 4: Simplify right side
    948,460.14x = 865,916,398,375.02
  5. Step 5: Solve for x
    x = 865,916,398,375.02/948,460.14
  6. Step 6: Final answer
    x = 912,970.78

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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.