Home / 557,631.80-836,447.70-401,334.20

Finding the Fourth Proportional to 557,631.80, 836,447.70 and 401,334.20

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Solution

The fourth proportional to 557,631.80, 836,447.70 and 401,334.20 is: 602,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,631.80 : 836,447.70 = 401,334.20 : x
  2. Step 2: Convert to fraction form
    557,631.80/836,447.70 = 401,334.20/x
  3. Step 3: Cross multiply
    557,631.80x = 836,447.70 × 401,334.20
  4. Step 4: Simplify right side
    557,631.80x = 335,695,068,521.34
  5. Step 5: Solve for x
    x = 335,695,068,521.34/557,631.80
  6. Step 6: Final answer
    x = 602,001.30

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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.