Home / 740,952.78-1,111,312.80-235,447.20

Finding the Fourth Proportional to 740,952.78, 1,111,312.80 and 235,447.20

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Solution

The fourth proportional to 740,952.78, 1,111,312.80 and 235,447.20 is: 353,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,952.78 : 1,111,312.80 = 235,447.20 : x
  2. Step 2: Convert to fraction form
    740,952.78/1,111,312.80 = 235,447.20/x
  3. Step 3: Cross multiply
    740,952.78x = 1,111,312.80 × 235,447.20
  4. Step 4: Simplify right side
    740,952.78x = 261,655,487,084.16
  5. Step 5: Solve for x
    x = 261,655,487,084.16/740,952.78
  6. Step 6: Final answer
    x = 353,133.82

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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.