Home / 710,760.60-1,065,233.70-289,560.60

Finding the Fourth Proportional to 710,760.60, 1,065,233.70 and 289,560.60

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Solution

The fourth proportional to 710,760.60, 1,065,233.70 and 289,560.60 is: 433,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,760.60 : 1,065,233.70 = 289,560.60 : x
  2. Step 2: Convert to fraction form
    710,760.60/1,065,233.70 = 289,560.60/x
  3. Step 3: Cross multiply
    710,760.60x = 1,065,233.70 × 289,560.60
  4. Step 4: Simplify right side
    710,760.60x = 308,449,709,312.22
  5. Step 5: Solve for x
    x = 308,449,709,312.22/710,760.60
  6. Step 6: Final answer
    x = 433,971.31

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1.5x scale

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.