Home / 636,585.03-878,272.08-360,913.29

Finding the Fourth Proportional to 636,585.03, 878,272.08 and 360,913.29

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Solution

The fourth proportional to 636,585.03, 878,272.08 and 360,913.29 is: 497,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,585.03 : 878,272.08 = 360,913.29 : x
  2. Step 2: Convert to fraction form
    636,585.03/878,272.08 = 360,913.29/x
  3. Step 3: Cross multiply
    636,585.03x = 878,272.08 × 360,913.29
  4. Step 4: Simplify right side
    636,585.03x = 316,980,065,907.94
  5. Step 5: Solve for x
    x = 316,980,065,907.94/636,585.03
  6. Step 6: Final answer
    x = 497,938.30

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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.