Home / 774,788.31-1,069,235.28-430,631.10

Finding the Fourth Proportional to 774,788.31, 1,069,235.28 and 430,631.10

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Solution

The fourth proportional to 774,788.31, 1,069,235.28 and 430,631.10 is: 594,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,788.31 : 1,069,235.28 = 430,631.10 : x
  2. Step 2: Convert to fraction form
    774,788.31/1,069,235.28 = 430,631.10/x
  3. Step 3: Cross multiply
    774,788.31x = 1,069,235.28 × 430,631.10
  4. Step 4: Simplify right side
    774,788.31x = 460,445,964,785.21
  5. Step 5: Solve for x
    x = 460,445,964,785.21/774,788.31
  6. Step 6: Final answer
    x = 594,286.15

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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.