Home / 824,837.76-1,242,875.52-678,358.80

Finding the Fourth Proportional to 824,837.76, 1,242,875.52 and 678,358.80

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Solution

The fourth proportional to 824,837.76, 1,242,875.52 and 678,358.80 is: 1,022,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,837.76 : 1,242,875.52 = 678,358.80 : x
  2. Step 2: Convert to fraction form
    824,837.76/1,242,875.52 = 678,358.80/x
  3. Step 3: Cross multiply
    824,837.76x = 1,242,875.52 × 678,358.80
  4. Step 4: Simplify right side
    824,837.76x = 843,115,546,296.58
  5. Step 5: Solve for x
    x = 843,115,546,296.58/824,837.76
  6. Step 6: Final answer
    x = 1,022,159.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.