Home / 916,635.45-1,373,547.42-383,865.24

Finding the Fourth Proportional to 916,635.45, 1,373,547.42 and 383,865.24

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Solution

The fourth proportional to 916,635.45, 1,373,547.42 and 383,865.24 is: 575,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,635.45 : 1,373,547.42 = 383,865.24 : x
  2. Step 2: Convert to fraction form
    916,635.45/1,373,547.42 = 383,865.24/x
  3. Step 3: Cross multiply
    916,635.45x = 1,373,547.42 × 383,865.24
  4. Step 4: Simplify right side
    916,635.45x = 527,257,110,029.68
  5. Step 5: Solve for x
    x = 527,257,110,029.68/916,635.45
  6. Step 6: Final answer
    x = 575,209.16

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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.