Home / 890,474.40-1,335,711.60-779,882.40

Finding the Fourth Proportional to 890,474.40, 1,335,711.60 and 779,882.40

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Solution

The fourth proportional to 890,474.40, 1,335,711.60 and 779,882.40 is: 1,169,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,474.40 : 1,335,711.60 = 779,882.40 : x
  2. Step 2: Convert to fraction form
    890,474.40/1,335,711.60 = 779,882.40/x
  3. Step 3: Cross multiply
    890,474.40x = 1,335,711.60 × 779,882.40
  4. Step 4: Simplify right side
    890,474.40x = 1,041,697,968,315.84
  5. Step 5: Solve for x
    x = 1,041,697,968,315.84/890,474.40
  6. Step 6: Final answer
    x = 1,169,823.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.