Home / 853,698.24-1,280,741.76-292,698.72

Finding the Fourth Proportional to 853,698.24, 1,280,741.76 and 292,698.72

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Solution

The fourth proportional to 853,698.24, 1,280,741.76 and 292,698.72 is: 439,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,698.24 : 1,280,741.76 = 292,698.72 : x
  2. Step 2: Convert to fraction form
    853,698.24/1,280,741.76 = 292,698.72/x
  3. Step 3: Cross multiply
    853,698.24x = 1,280,741.76 × 292,698.72
  4. Step 4: Simplify right side
    853,698.24x = 374,871,473,802.55
  5. Step 5: Solve for x
    x = 374,871,473,802.55/853,698.24
  6. Step 6: Final answer
    x = 439,114.73

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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.