Home / 877,128.24-1,210,436.60-474,720.24

Finding the Fourth Proportional to 877,128.24, 1,210,436.60 and 474,720.24

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Solution

The fourth proportional to 877,128.24, 1,210,436.60 and 474,720.24 is: 655,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,128.24 : 1,210,436.60 = 474,720.24 : x
  2. Step 2: Convert to fraction form
    877,128.24/1,210,436.60 = 474,720.24/x
  3. Step 3: Cross multiply
    877,128.24x = 1,210,436.60 × 474,720.24
  4. Step 4: Simplify right side
    877,128.24x = 574,618,753,256.78
  5. Step 5: Solve for x
    x = 574,618,753,256.78/877,128.24
  6. Step 6: Final answer
    x = 655,113.73

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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.