Home / 918,464.67-1,377,722.93-253,616.67

Finding the Fourth Proportional to 918,464.67, 1,377,722.93 and 253,616.67

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Solution

The fourth proportional to 918,464.67, 1,377,722.93 and 253,616.67 is: 380,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,464.67 : 1,377,722.93 = 253,616.67 : x
  2. Step 2: Convert to fraction form
    918,464.67/1,377,722.93 = 253,616.67/x
  3. Step 3: Cross multiply
    918,464.67x = 1,377,722.93 × 253,616.67
  4. Step 4: Simplify right side
    918,464.67x = 349,413,500,421.16
  5. Step 5: Solve for x
    x = 349,413,500,421.16/918,464.67
  6. Step 6: Final answer
    x = 380,432.16

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1.5x scale

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.