Home / 856,547.55-1,182,083.49-489,133.17

Finding the Fourth Proportional to 856,547.55, 1,182,083.49 and 489,133.17

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Solution

The fourth proportional to 856,547.55, 1,182,083.49 and 489,133.17 is: 675,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,547.55 : 1,182,083.49 = 489,133.17 : x
  2. Step 2: Convert to fraction form
    856,547.55/1,182,083.49 = 489,133.17/x
  3. Step 3: Cross multiply
    856,547.55x = 1,182,083.49 × 489,133.17
  4. Step 4: Simplify right side
    856,547.55x = 578,196,244,668.36
  5. Step 5: Solve for x
    x = 578,196,244,668.36/856,547.55
  6. Step 6: Final answer
    x = 675,031.11

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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.