Home / 983,690.40-1,357,497.72-553,977.84

Finding the Fourth Proportional to 983,690.40, 1,357,497.72 and 553,977.84

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Solution

The fourth proportional to 983,690.40, 1,357,497.72 and 553,977.84 is: 764,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,690.40 : 1,357,497.72 = 553,977.84 : x
  2. Step 2: Convert to fraction form
    983,690.40/1,357,497.72 = 553,977.84/x
  3. Step 3: Cross multiply
    983,690.40x = 1,357,497.72 × 553,977.84
  4. Step 4: Simplify right side
    983,690.40x = 752,023,654,730.53
  5. Step 5: Solve for x
    x = 752,023,654,730.53/983,690.40
  6. Step 6: Final answer
    x = 764,492.22

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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.