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Finding the Fourth Proportional to 671,840.94, 927,140.50 and 370,034.94

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Solution

The fourth proportional to 671,840.94, 927,140.50 and 370,034.94 is: 510,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,840.94 : 927,140.50 = 370,034.94 : x
  2. Step 2: Convert to fraction form
    671,840.94/927,140.50 = 370,034.94/x
  3. Step 3: Cross multiply
    671,840.94x = 927,140.50 × 370,034.94
  4. Step 4: Simplify right side
    671,840.94x = 343,074,377,438.90
  5. Step 5: Solve for x
    x = 343,074,377,438.90/671,840.94
  6. Step 6: Final answer
    x = 510,648.22

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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.