Home / 314,727.80-472,091.70-283,623.80

Finding the Fourth Proportional to 314,727.80, 472,091.70 and 283,623.80

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Solution

The fourth proportional to 314,727.80, 472,091.70 and 283,623.80 is: 425,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,727.80 : 472,091.70 = 283,623.80 : x
  2. Step 2: Convert to fraction form
    314,727.80/472,091.70 = 283,623.80/x
  3. Step 3: Cross multiply
    314,727.80x = 472,091.70 × 283,623.80
  4. Step 4: Simplify right side
    314,727.80x = 133,896,441,902.46
  5. Step 5: Solve for x
    x = 133,896,441,902.46/314,727.80
  6. Step 6: Final answer
    x = 425,435.70

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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.