Home / 920.04-1,269.68-526.96

Finding the Fourth Proportional to 920.04, 1,269.68 and 526.96

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Solution

The fourth proportional to 920.04, 1,269.68 and 526.96 is: 727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    920.04 : 1,269.68 = 526.96 : x
  2. Step 2: Convert to fraction form
    920.04/1,269.68 = 526.96/x
  3. Step 3: Cross multiply
    920.04x = 1,269.68 × 526.96
  4. Step 4: Simplify right side
    920.04x = 669,070.57
  5. Step 5: Solve for x
    x = 669,070.57/920.04
  6. Step 6: Final answer
    x = 727.22

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1.5x scale

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.