Home / 887,880.12-1,225,394.49-500,774.95

Finding the Fourth Proportional to 887,880.12, 1,225,394.49 and 500,774.95

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Solution

The fourth proportional to 887,880.12, 1,225,394.49 and 500,774.95 is: 691,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,880.12 : 1,225,394.49 = 500,774.95 : x
  2. Step 2: Convert to fraction form
    887,880.12/1,225,394.49 = 500,774.95/x
  3. Step 3: Cross multiply
    887,880.12x = 1,225,394.49 × 500,774.95
  4. Step 4: Simplify right side
    887,880.12x = 613,646,864,460.03
  5. Step 5: Solve for x
    x = 613,646,864,460.03/887,880.12
  6. Step 6: Final answer
    x = 691,137.07

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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.