Home / 774,806.28-1,069,260.18-430,649.16

Finding the Fourth Proportional to 774,806.28, 1,069,260.18 and 430,649.16

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Solution

The fourth proportional to 774,806.28, 1,069,260.18 and 430,649.16 is: 594,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,806.28 : 1,069,260.18 = 430,649.16 : x
  2. Step 2: Convert to fraction form
    774,806.28/1,069,260.18 = 430,649.16/x
  3. Step 3: Cross multiply
    774,806.28x = 1,069,260.18 × 430,649.16
  4. Step 4: Simplify right side
    774,806.28x = 460,475,998,338.45
  5. Step 5: Solve for x
    x = 460,475,998,338.45/774,806.28
  6. Step 6: Final answer
    x = 594,311.13

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Double scale
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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.