Home / 955,289.40-1,318,299.32-525,560.30

Finding the Fourth Proportional to 955,289.40, 1,318,299.32 and 525,560.30

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Solution

The fourth proportional to 955,289.40, 1,318,299.32 and 525,560.30 is: 725,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,289.40 : 1,318,299.32 = 525,560.30 : x
  2. Step 2: Convert to fraction form
    955,289.40/1,318,299.32 = 525,560.30/x
  3. Step 3: Cross multiply
    955,289.40x = 1,318,299.32 × 525,560.30
  4. Step 4: Simplify right side
    955,289.40x = 692,845,776,889.70
  5. Step 5: Solve for x
    x = 692,845,776,889.70/955,289.40
  6. Step 6: Final answer
    x = 725,273.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.