Home / 774,289.39-1,068,526.66-425,437.07

Finding the Fourth Proportional to 774,289.39, 1,068,526.66 and 425,437.07

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Solution

The fourth proportional to 774,289.39, 1,068,526.66 and 425,437.07 is: 587,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,289.39 : 1,068,526.66 = 425,437.07 : x
  2. Step 2: Convert to fraction form
    774,289.39/1,068,526.66 = 425,437.07/x
  3. Step 3: Cross multiply
    774,289.39x = 1,068,526.66 × 425,437.07
  4. Step 4: Simplify right side
    774,289.39x = 454,590,849,839.56
  5. Step 5: Solve for x
    x = 454,590,849,839.56/774,289.39
  6. Step 6: Final answer
    x = 587,107.17

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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.