Home / 692,275.20-1,038,412.80-292,812.36

Finding the Fourth Proportional to 692,275.20, 1,038,412.80 and 292,812.36

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Solution

The fourth proportional to 692,275.20, 1,038,412.80 and 292,812.36 is: 439,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,275.20 : 1,038,412.80 = 292,812.36 : x
  2. Step 2: Convert to fraction form
    692,275.20/1,038,412.80 = 292,812.36/x
  3. Step 3: Cross multiply
    692,275.20x = 1,038,412.80 × 292,812.36
  4. Step 4: Simplify right side
    692,275.20x = 304,060,102,622.21
  5. Step 5: Solve for x
    x = 304,060,102,622.21/692,275.20
  6. Step 6: Final answer
    x = 439,218.54

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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.