Home / 760,188.80-1,140,014.40-261,436.80

Finding the Fourth Proportional to 760,188.80, 1,140,014.40 and 261,436.80

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Solution

The fourth proportional to 760,188.80, 1,140,014.40 and 261,436.80 is: 392,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,188.80 : 1,140,014.40 = 261,436.80 : x
  2. Step 2: Convert to fraction form
    760,188.80/1,140,014.40 = 261,436.80/x
  3. Step 3: Cross multiply
    760,188.80x = 1,140,014.40 × 261,436.80
  4. Step 4: Simplify right side
    760,188.80x = 298,041,716,689.92
  5. Step 5: Solve for x
    x = 298,041,716,689.92/760,188.80
  6. Step 6: Final answer
    x = 392,062.76

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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.