Home / 802,207.72-1,202,482.14-347,091.40

Finding the Fourth Proportional to 802,207.72, 1,202,482.14 and 347,091.40

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Solution

The fourth proportional to 802,207.72, 1,202,482.14 and 347,091.40 is: 520,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,207.72 : 1,202,482.14 = 347,091.40 : x
  2. Step 2: Convert to fraction form
    802,207.72/1,202,482.14 = 347,091.40/x
  3. Step 3: Cross multiply
    802,207.72x = 1,202,482.14 × 347,091.40
  4. Step 4: Simplify right side
    802,207.72x = 417,371,209,447.60
  5. Step 5: Solve for x
    x = 417,371,209,447.60/802,207.72
  6. Step 6: Final answer
    x = 520,278.23

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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.