Home / 775,870.16-1,070,575.68-436,318.16

Finding the Fourth Proportional to 775,870.16, 1,070,575.68 and 436,318.16

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Solution

The fourth proportional to 775,870.16, 1,070,575.68 and 436,318.16 is: 602,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,870.16 : 1,070,575.68 = 436,318.16 : x
  2. Step 2: Convert to fraction form
    775,870.16/1,070,575.68 = 436,318.16/x
  3. Step 3: Cross multiply
    775,870.16x = 1,070,575.68 × 436,318.16
  4. Step 4: Simplify right side
    775,870.16x = 467,111,610,838.35
  5. Step 5: Solve for x
    x = 467,111,610,838.35/775,870.16
  6. Step 6: Final answer
    x = 602,048.69

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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.