Home / 674,323.46-930,529.05-387,848.33

Finding the Fourth Proportional to 674,323.46, 930,529.05 and 387,848.33

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Solution

The fourth proportional to 674,323.46, 930,529.05 and 387,848.33 is: 535,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,323.46 : 930,529.05 = 387,848.33 : x
  2. Step 2: Convert to fraction form
    674,323.46/930,529.05 = 387,848.33/x
  3. Step 3: Cross multiply
    674,323.46x = 930,529.05 × 387,848.33
  4. Step 4: Simplify right side
    674,323.46x = 360,904,138,058.99
  5. Step 5: Solve for x
    x = 360,904,138,058.99/674,323.46
  6. Step 6: Final answer
    x = 535,209.23

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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.