Home / 983,228.76-1,356,985.04-553,592.64

Finding the Fourth Proportional to 983,228.76, 1,356,985.04 and 553,592.64

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Solution

The fourth proportional to 983,228.76, 1,356,985.04 and 553,592.64 is: 764,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,228.76 : 1,356,985.04 = 553,592.64 : x
  2. Step 2: Convert to fraction form
    983,228.76/1,356,985.04 = 553,592.64/x
  3. Step 3: Cross multiply
    983,228.76x = 1,356,985.04 × 553,592.64
  4. Step 4: Simplify right side
    983,228.76x = 751,216,930,734.11
  5. Step 5: Solve for x
    x = 751,216,930,734.11/983,228.76
  6. Step 6: Final answer
    x = 764,030.67

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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.