Home / 922,482.12-1,272,976.74-514,626.60

Finding the Fourth Proportional to 922,482.12, 1,272,976.74 and 514,626.60

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Solution

The fourth proportional to 922,482.12, 1,272,976.74 and 514,626.60 is: 710,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,482.12 : 1,272,976.74 = 514,626.60 : x
  2. Step 2: Convert to fraction form
    922,482.12/1,272,976.74 = 514,626.60/x
  3. Step 3: Cross multiply
    922,482.12x = 1,272,976.74 × 514,626.60
  4. Step 4: Simplify right side
    922,482.12x = 655,107,691,585.28
  5. Step 5: Solve for x
    x = 655,107,691,585.28/922,482.12
  6. Step 6: Final answer
    x = 710,157.60

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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.