Home / 827,931.27-1,242,378.77-348,124.35

Finding the Fourth Proportional to 827,931.27, 1,242,378.77 and 348,124.35

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Solution

The fourth proportional to 827,931.27, 1,242,378.77 and 348,124.35 is: 522,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,931.27 : 1,242,378.77 = 348,124.35 : x
  2. Step 2: Convert to fraction form
    827,931.27/1,242,378.77 = 348,124.35/x
  3. Step 3: Cross multiply
    827,931.27x = 1,242,378.77 × 348,124.35
  4. Step 4: Simplify right side
    827,931.27x = 432,502,300,019.43
  5. Step 5: Solve for x
    x = 432,502,300,019.43/827,931.27
  6. Step 6: Final answer
    x = 522,389.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.