Home / 772,191.74-1,157,470.93-285,561.17

Finding the Fourth Proportional to 772,191.74, 1,157,470.93 and 285,561.17

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Solution

The fourth proportional to 772,191.74, 1,157,470.93 and 285,561.17 is: 428,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,191.74 : 1,157,470.93 = 285,561.17 : x
  2. Step 2: Convert to fraction form
    772,191.74/1,157,470.93 = 285,561.17/x
  3. Step 3: Cross multiply
    772,191.74x = 1,157,470.93 × 285,561.17
  4. Step 4: Simplify right side
    772,191.74x = 330,528,746,510.53
  5. Step 5: Solve for x
    x = 330,528,746,510.53/772,191.74
  6. Step 6: Final answer
    x = 428,039.74

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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.