Home / 880,642.23-1,320,547-341,151.21

Finding the Fourth Proportional to 880,642.23, 1,320,547 and 341,151.21

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Solution

The fourth proportional to 880,642.23, 1,320,547 and 341,151.21 is: 511,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,642.23 : 1,320,547 = 341,151.21 : x
  2. Step 2: Convert to fraction form
    880,642.23/1,320,547 = 341,151.21/x
  3. Step 3: Cross multiply
    880,642.23x = 1,320,547 × 341,151.21
  4. Step 4: Simplify right side
    880,642.23x = 450,506,206,911.87
  5. Step 5: Solve for x
    x = 450,506,206,911.87/880,642.23
  6. Step 6: Final answer
    x = 511,565.53

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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.