Home / 883,632.04-1,220,131.28-720,314.17

Finding the Fourth Proportional to 883,632.04, 1,220,131.28 and 720,314.17

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Solution

The fourth proportional to 883,632.04, 1,220,131.28 and 720,314.17 is: 994,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,632.04 : 1,220,131.28 = 720,314.17 : x
  2. Step 2: Convert to fraction form
    883,632.04/1,220,131.28 = 720,314.17/x
  3. Step 3: Cross multiply
    883,632.04x = 1,220,131.28 × 720,314.17
  4. Step 4: Simplify right side
    883,632.04x = 878,877,848,994.70
  5. Step 5: Solve for x
    x = 878,877,848,994.70/883,632.04
  6. Step 6: Final answer
    x = 994,619.72

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Double scale
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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.