Home / 735,239.01-1,102,854.42-286,272.21

Finding the Fourth Proportional to 735,239.01, 1,102,854.42 and 286,272.21

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Solution

The fourth proportional to 735,239.01, 1,102,854.42 and 286,272.21 is: 429,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,239.01 : 1,102,854.42 = 286,272.21 : x
  2. Step 2: Convert to fraction form
    735,239.01/1,102,854.42 = 286,272.21/x
  3. Step 3: Cross multiply
    735,239.01x = 1,102,854.42 × 286,272.21
  4. Step 4: Simplify right side
    735,239.01x = 315,716,572,121.67
  5. Step 5: Solve for x
    x = 315,716,572,121.67/735,239.01
  6. Step 6: Final answer
    x = 429,406.72

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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.