Home / 882,698.86-1,218,088.56-500,717.44

Finding the Fourth Proportional to 882,698.86, 1,218,088.56 and 500,717.44

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Solution

The fourth proportional to 882,698.86, 1,218,088.56 and 500,717.44 is: 690,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,698.86 : 1,218,088.56 = 500,717.44 : x
  2. Step 2: Convert to fraction form
    882,698.86/1,218,088.56 = 500,717.44/x
  3. Step 3: Cross multiply
    882,698.86x = 1,218,088.56 × 500,717.44
  4. Step 4: Simplify right side
    882,698.86x = 609,918,185,456.49
  5. Step 5: Solve for x
    x = 609,918,185,456.49/882,698.86
  6. Step 6: Final answer
    x = 690,969.72

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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.