Home / 914,743.05-1,372,332.60-315,709.44

Finding the Fourth Proportional to 914,743.05, 1,372,332.60 and 315,709.44

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Solution

The fourth proportional to 914,743.05, 1,372,332.60 and 315,709.44 is: 473,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,743.05 : 1,372,332.60 = 315,709.44 : x
  2. Step 2: Convert to fraction form
    914,743.05/1,372,332.60 = 315,709.44/x
  3. Step 3: Cross multiply
    914,743.05x = 1,372,332.60 × 315,709.44
  4. Step 4: Simplify right side
    914,743.05x = 433,258,356,639.74
  5. Step 5: Solve for x
    x = 433,258,356,639.74/914,743.05
  6. Step 6: Final answer
    x = 473,639.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.