Home / 921,877.28-1,382,814.08-360,518.16

Finding the Fourth Proportional to 921,877.28, 1,382,814.08 and 360,518.16

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Solution

The fourth proportional to 921,877.28, 1,382,814.08 and 360,518.16 is: 540,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,877.28 : 1,382,814.08 = 360,518.16 : x
  2. Step 2: Convert to fraction form
    921,877.28/1,382,814.08 = 360,518.16/x
  3. Step 3: Cross multiply
    921,877.28x = 1,382,814.08 × 360,518.16
  4. Step 4: Simplify right side
    921,877.28x = 498,529,587,743.69
  5. Step 5: Solve for x
    x = 498,529,587,743.69/921,877.28
  6. Step 6: Final answer
    x = 540,776.52

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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.