Home / 774,290.39-1,068,528.04-425,438.07

Finding the Fourth Proportional to 774,290.39, 1,068,528.04 and 425,438.07

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Solution

The fourth proportional to 774,290.39, 1,068,528.04 and 425,438.07 is: 587,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,290.39 : 1,068,528.04 = 425,438.07 : x
  2. Step 2: Convert to fraction form
    774,290.39/1,068,528.04 = 425,438.07/x
  3. Step 3: Cross multiply
    774,290.39x = 1,068,528.04 × 425,438.07
  4. Step 4: Simplify right side
    774,290.39x = 454,592,507,078.48
  5. Step 5: Solve for x
    x = 454,592,507,078.48/774,290.39
  6. Step 6: Final answer
    x = 587,108.55

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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.