Home / 849,685.95-1,172,470.41-500,803.56

Finding the Fourth Proportional to 849,685.95, 1,172,470.41 and 500,803.56

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Solution

The fourth proportional to 849,685.95, 1,172,470.41 and 500,803.56 is: 691,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,685.95 : 1,172,470.41 = 500,803.56 : x
  2. Step 2: Convert to fraction form
    849,685.95/1,172,470.41 = 500,803.56/x
  3. Step 3: Cross multiply
    849,685.95x = 1,172,470.41 × 500,803.56
  4. Step 4: Simplify right side
    849,685.95x = 587,177,355,322.66
  5. Step 5: Solve for x
    x = 587,177,355,322.66/849,685.95
  6. Step 6: Final answer
    x = 691,052.21

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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.