Home / 983,424.84-1,357,020.72-553,697.16

Finding the Fourth Proportional to 983,424.84, 1,357,020.72 and 553,697.16

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Solution

The fourth proportional to 983,424.84, 1,357,020.72 and 553,697.16 is: 764,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,424.84 : 1,357,020.72 = 553,697.16 : x
  2. Step 2: Convert to fraction form
    983,424.84/1,357,020.72 = 553,697.16/x
  3. Step 3: Cross multiply
    983,424.84x = 1,357,020.72 × 553,697.16
  4. Step 4: Simplify right side
    983,424.84x = 751,378,518,725.16
  5. Step 5: Solve for x
    x = 751,378,518,725.16/983,424.84
  6. Step 6: Final answer
    x = 764,042.65

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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.