Home / 792,721.69-1,189,081.95-455,547.29

Finding the Fourth Proportional to 792,721.69, 1,189,081.95 and 455,547.29

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Solution

The fourth proportional to 792,721.69, 1,189,081.95 and 455,547.29 is: 683,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,721.69 : 1,189,081.95 = 455,547.29 : x
  2. Step 2: Convert to fraction form
    792,721.69/1,189,081.95 = 455,547.29/x
  3. Step 3: Cross multiply
    792,721.69x = 1,189,081.95 × 455,547.29
  4. Step 4: Simplify right side
    792,721.69x = 541,683,060,226.52
  5. Step 5: Solve for x
    x = 541,683,060,226.52/792,721.69
  6. Step 6: Final answer
    x = 683,320.60

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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.