Home / 641,264.04-960,975.90-360,189.72

Finding the Fourth Proportional to 641,264.04, 960,975.90 and 360,189.72

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Solution

The fourth proportional to 641,264.04, 960,975.90 and 360,189.72 is: 539,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,264.04 : 960,975.90 = 360,189.72 : x
  2. Step 2: Convert to fraction form
    641,264.04/960,975.90 = 360,189.72/x
  3. Step 3: Cross multiply
    641,264.04x = 960,975.90 × 360,189.72
  4. Step 4: Simplify right side
    641,264.04x = 346,133,640,347.75
  5. Step 5: Solve for x
    x = 346,133,640,347.75/641,264.04
  6. Step 6: Final answer
    x = 539,767.74

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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.