Home / 877,145.57-1,210,464.56-474,737.57

Finding the Fourth Proportional to 877,145.57, 1,210,464.56 and 474,737.57

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Solution

The fourth proportional to 877,145.57, 1,210,464.56 and 474,737.57 is: 655,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,145.57 : 1,210,464.56 = 474,737.57 : x
  2. Step 2: Convert to fraction form
    877,145.57/1,210,464.56 = 474,737.57/x
  3. Step 3: Cross multiply
    877,145.57x = 1,210,464.56 × 474,737.57
  4. Step 4: Simplify right side
    877,145.57x = 574,652,998,920.04
  5. Step 5: Solve for x
    x = 574,652,998,920.04/877,145.57
  6. Step 6: Final answer
    x = 655,139.83

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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.