Home / 565,587.82-780,251.04-501,122.32

Finding the Fourth Proportional to 565,587.82, 780,251.04 and 501,122.32

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Solution

The fourth proportional to 565,587.82, 780,251.04 and 501,122.32 is: 691,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,587.82 : 780,251.04 = 501,122.32 : x
  2. Step 2: Convert to fraction form
    565,587.82/780,251.04 = 501,122.32/x
  3. Step 3: Cross multiply
    565,587.82x = 780,251.04 × 501,122.32
  4. Step 4: Simplify right side
    565,587.82x = 391,001,211,347.21
  5. Step 5: Solve for x
    x = 391,001,211,347.21/565,587.82
  6. Step 6: Final answer
    x = 691,318.30

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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.