Home / 983,419.76-1,357,007.10-553,688.84

Finding the Fourth Proportional to 983,419.76, 1,357,007.10 and 553,688.84

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Solution

The fourth proportional to 983,419.76, 1,357,007.10 and 553,688.84 is: 764,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,419.76 : 1,357,007.10 = 553,688.84 : x
  2. Step 2: Convert to fraction form
    983,419.76/1,357,007.10 = 553,688.84/x
  3. Step 3: Cross multiply
    983,419.76x = 1,357,007.10 × 553,688.84
  4. Step 4: Simplify right side
    983,419.76x = 751,359,687,070.76
  5. Step 5: Solve for x
    x = 751,359,687,070.76/983,419.76
  6. Step 6: Final answer
    x = 764,027.45

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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.