Home / 864,209.70-1,295,582.56-358,455.02

Finding the Fourth Proportional to 864,209.70, 1,295,582.56 and 358,455.02

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Solution

The fourth proportional to 864,209.70, 1,295,582.56 and 358,455.02 is: 537,378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,209.70 : 1,295,582.56 = 358,455.02 : x
  2. Step 2: Convert to fraction form
    864,209.70/1,295,582.56 = 358,455.02/x
  3. Step 3: Cross multiply
    864,209.70x = 1,295,582.56 × 358,455.02
  4. Step 4: Simplify right side
    864,209.70x = 464,408,065,082.40
  5. Step 5: Solve for x
    x = 464,408,065,082.40/864,209.70
  6. Step 6: Final answer
    x = 537,378.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.