Home / 877,087.22-1,210,381.53-474,679.22

Finding the Fourth Proportional to 877,087.22, 1,210,381.53 and 474,679.22

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Solution

The fourth proportional to 877,087.22, 1,210,381.53 and 474,679.22 is: 655,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,087.22 : 1,210,381.53 = 474,679.22 : x
  2. Step 2: Convert to fraction form
    877,087.22/1,210,381.53 = 474,679.22/x
  3. Step 3: Cross multiply
    877,087.22x = 1,210,381.53 × 474,679.22
  4. Step 4: Simplify right side
    877,087.22x = 574,542,960,562.81
  5. Step 5: Solve for x
    x = 574,542,960,562.81/877,087.22
  6. Step 6: Final answer
    x = 655,057.95

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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.