Home / 922,643.18-1,273,218.72-540,924.20

Finding the Fourth Proportional to 922,643.18, 1,273,218.72 and 540,924.20

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Solution

The fourth proportional to 922,643.18, 1,273,218.72 and 540,924.20 is: 746,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,643.18 : 1,273,218.72 = 540,924.20 : x
  2. Step 2: Convert to fraction form
    922,643.18/1,273,218.72 = 540,924.20/x
  3. Step 3: Cross multiply
    922,643.18x = 1,273,218.72 × 540,924.20
  4. Step 4: Simplify right side
    922,643.18x = 688,714,817,541.02
  5. Step 5: Solve for x
    x = 688,714,817,541.02/922,643.18
  6. Step 6: Final answer
    x = 746,458.47

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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.