Home / 897,320.76-1,345,476.47-297,961.17

Finding the Fourth Proportional to 897,320.76, 1,345,476.47 and 297,961.17

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Solution

The fourth proportional to 897,320.76, 1,345,476.47 and 297,961.17 is: 446,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,320.76 : 1,345,476.47 = 297,961.17 : x
  2. Step 2: Convert to fraction form
    897,320.76/1,345,476.47 = 297,961.17/x
  3. Step 3: Cross multiply
    897,320.76x = 1,345,476.47 × 297,961.17
  4. Step 4: Simplify right side
    897,320.76x = 400,899,741,718.86
  5. Step 5: Solve for x
    x = 400,899,741,718.86/897,320.76
  6. Step 6: Final answer
    x = 446,774.17

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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.