Home / 778,891.59-1,074,871.88-430,032.67

Finding the Fourth Proportional to 778,891.59, 1,074,871.88 and 430,032.67

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Solution

The fourth proportional to 778,891.59, 1,074,871.88 and 430,032.67 is: 593,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,891.59 : 1,074,871.88 = 430,032.67 : x
  2. Step 2: Convert to fraction form
    778,891.59/1,074,871.88 = 430,032.67/x
  3. Step 3: Cross multiply
    778,891.59x = 1,074,871.88 × 430,032.67
  4. Step 4: Simplify right side
    778,891.59x = 462,230,024,464.32
  5. Step 5: Solve for x
    x = 462,230,024,464.32/778,891.59
  6. Step 6: Final answer
    x = 593,445.90

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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.