Home / 813,436.35-1,122,410.28-507,464.11

Finding the Fourth Proportional to 813,436.35, 1,122,410.28 and 507,464.11

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Solution

The fourth proportional to 813,436.35, 1,122,410.28 and 507,464.11 is: 700,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,436.35 : 1,122,410.28 = 507,464.11 : x
  2. Step 2: Convert to fraction form
    813,436.35/1,122,410.28 = 507,464.11/x
  3. Step 3: Cross multiply
    813,436.35x = 1,122,410.28 × 507,464.11
  4. Step 4: Simplify right side
    813,436.35x = 569,582,933,795.05
  5. Step 5: Solve for x
    x = 569,582,933,795.05/813,436.35
  6. Step 6: Final answer
    x = 700,218.20

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Double scale
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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.