Home / 927,028.42-1,279,114.32-564,209.26

Finding the Fourth Proportional to 927,028.42, 1,279,114.32 and 564,209.26

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Solution

The fourth proportional to 927,028.42, 1,279,114.32 and 564,209.26 is: 778,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,028.42 : 1,279,114.32 = 564,209.26 : x
  2. Step 2: Convert to fraction form
    927,028.42/1,279,114.32 = 564,209.26/x
  3. Step 3: Cross multiply
    927,028.42x = 1,279,114.32 × 564,209.26
  4. Step 4: Simplify right side
    927,028.42x = 721,688,143,942.60
  5. Step 5: Solve for x
    x = 721,688,143,942.60/927,028.42
  6. Step 6: Final answer
    x = 778,496.24

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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.