Home / 567,557.42-783,235.02-312,917.72

Finding the Fourth Proportional to 567,557.42, 783,235.02 and 312,917.72

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Solution

The fourth proportional to 567,557.42, 783,235.02 and 312,917.72 is: 431,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,557.42 : 783,235.02 = 312,917.72 : x
  2. Step 2: Convert to fraction form
    567,557.42/783,235.02 = 312,917.72/x
  3. Step 3: Cross multiply
    567,557.42x = 783,235.02 × 312,917.72
  4. Step 4: Simplify right side
    567,557.42x = 245,088,116,682.55
  5. Step 5: Solve for x
    x = 245,088,116,682.55/567,557.42
  6. Step 6: Final answer
    x = 431,829.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.