Home / 753,411.04-1,039,980.06-498,844.24

Finding the Fourth Proportional to 753,411.04, 1,039,980.06 and 498,844.24

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Solution

The fourth proportional to 753,411.04, 1,039,980.06 and 498,844.24 is: 688,585.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,411.04 : 1,039,980.06 = 498,844.24 : x
  2. Step 2: Convert to fraction form
    753,411.04/1,039,980.06 = 498,844.24/x
  3. Step 3: Cross multiply
    753,411.04x = 1,039,980.06 × 498,844.24
  4. Step 4: Simplify right side
    753,411.04x = 518,788,062,645.85
  5. Step 5: Solve for x
    x = 518,788,062,645.85/753,411.04
  6. Step 6: Final answer
    x = 688,585.69

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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.