Home / 885,823.40-1,328,735.10-615,218.60

Finding the Fourth Proportional to 885,823.40, 1,328,735.10 and 615,218.60

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Solution

The fourth proportional to 885,823.40, 1,328,735.10 and 615,218.60 is: 922,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,823.40 : 1,328,735.10 = 615,218.60 : x
  2. Step 2: Convert to fraction form
    885,823.40/1,328,735.10 = 615,218.60/x
  3. Step 3: Cross multiply
    885,823.40x = 1,328,735.10 × 615,218.60
  4. Step 4: Simplify right side
    885,823.40x = 817,462,547,992.86
  5. Step 5: Solve for x
    x = 817,462,547,992.86/885,823.40
  6. Step 6: Final answer
    x = 922,827.90

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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.