Home / 959,396.16-1,438,788.06-390,776.16

Finding the Fourth Proportional to 959,396.16, 1,438,788.06 and 390,776.16

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Solution

The fourth proportional to 959,396.16, 1,438,788.06 and 390,776.16 is: 586,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,396.16 : 1,438,788.06 = 390,776.16 : x
  2. Step 2: Convert to fraction form
    959,396.16/1,438,788.06 = 390,776.16/x
  3. Step 3: Cross multiply
    959,396.16x = 1,438,788.06 × 390,776.16
  4. Step 4: Simplify right side
    959,396.16x = 562,244,073,140.65
  5. Step 5: Solve for x
    x = 562,244,073,140.65/959,396.16
  6. Step 6: Final answer
    x = 586,039.53

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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.