Home / 802,372.69-1,107,387.84-496,547.59

Finding the Fourth Proportional to 802,372.69, 1,107,387.84 and 496,547.59

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Solution

The fourth proportional to 802,372.69, 1,107,387.84 and 496,547.59 is: 685,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,372.69 : 1,107,387.84 = 496,547.59 : x
  2. Step 2: Convert to fraction form
    802,372.69/1,107,387.84 = 496,547.59/x
  3. Step 3: Cross multiply
    802,372.69x = 1,107,387.84 × 496,547.59
  4. Step 4: Simplify right side
    802,372.69x = 549,870,765,927.17
  5. Step 5: Solve for x
    x = 549,870,765,927.17/802,372.69
  6. Step 6: Final answer
    x = 685,305.94

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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.