Home / 948,185.19-1,421,981.33-316,951.38

Finding the Fourth Proportional to 948,185.19, 1,421,981.33 and 316,951.38

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Solution

The fourth proportional to 948,185.19, 1,421,981.33 and 316,951.38 is: 475,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,185.19 : 1,421,981.33 = 316,951.38 : x
  2. Step 2: Convert to fraction form
    948,185.19/1,421,981.33 = 316,951.38/x
  3. Step 3: Cross multiply
    948,185.19x = 1,421,981.33 × 316,951.38
  4. Step 4: Simplify right side
    948,185.19x = 450,698,943,292.98
  5. Step 5: Solve for x
    x = 450,698,943,292.98/948,185.19
  6. Step 6: Final answer
    x = 475,327.97

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1.5x scale

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.