Home / 855,007.30-1,281,862.95-434,584.90

Finding the Fourth Proportional to 855,007.30, 1,281,862.95 and 434,584.90

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Solution

The fourth proportional to 855,007.30, 1,281,862.95 and 434,584.90 is: 651,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,007.30 : 1,281,862.95 = 434,584.90 : x
  2. Step 2: Convert to fraction form
    855,007.30/1,281,862.95 = 434,584.90/x
  3. Step 3: Cross multiply
    855,007.30x = 1,281,862.95 × 434,584.90
  4. Step 4: Simplify right side
    855,007.30x = 557,078,281,939.46
  5. Step 5: Solve for x
    x = 557,078,281,939.46/855,007.30
  6. Step 6: Final answer
    x = 651,547.98

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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.