Home / 712,645.41-1,069,018.01-286,181.22

Finding the Fourth Proportional to 712,645.41, 1,069,018.01 and 286,181.22

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Solution

The fourth proportional to 712,645.41, 1,069,018.01 and 286,181.22 is: 429,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,645.41 : 1,069,018.01 = 286,181.22 : x
  2. Step 2: Convert to fraction form
    712,645.41/1,069,018.01 = 286,181.22/x
  3. Step 3: Cross multiply
    712,645.41x = 1,069,018.01 × 286,181.22
  4. Step 4: Simplify right side
    712,645.41x = 305,932,876,872.87
  5. Step 5: Solve for x
    x = 305,932,876,872.87/712,645.41
  6. Step 6: Final answer
    x = 429,291.86

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Double scale
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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.