Home / 877,135.20-1,210,446.48-474,727.20

Finding the Fourth Proportional to 877,135.20, 1,210,446.48 and 474,727.20

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Solution

The fourth proportional to 877,135.20, 1,210,446.48 and 474,727.20 is: 655,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,135.20 : 1,210,446.48 = 474,727.20 : x
  2. Step 2: Convert to fraction form
    877,135.20/1,210,446.48 = 474,727.20/x
  3. Step 3: Cross multiply
    877,135.20x = 1,210,446.48 × 474,727.20
  4. Step 4: Simplify right side
    877,135.20x = 574,631,868,200.26
  5. Step 5: Solve for x
    x = 574,631,868,200.26/877,135.20
  6. Step 6: Final answer
    x = 655,123.48

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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.