Home / 1,030,288.32-1,545,424.32-320,315.04

Finding the Fourth Proportional to 1,030,288.32, 1,545,424.32 and 320,315.04

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Solution

The fourth proportional to 1,030,288.32, 1,545,424.32 and 320,315.04 is: 480,470.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,288.32 : 1,545,424.32 = 320,315.04 : x
  2. Step 2: Convert to fraction form
    1,030,288.32/1,545,424.32 = 320,315.04/x
  3. Step 3: Cross multiply
    1,030,288.32x = 1,545,424.32 × 320,315.04
  4. Step 4: Simplify right side
    1,030,288.32x = 495,022,652,877.77
  5. Step 5: Solve for x
    x = 495,022,652,877.77/1,030,288.32
  6. Step 6: Final answer
    x = 480,470.02

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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.