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Finding the Fourth Proportional to 671,545.84, 926,739.48 and 369,750.64

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Solution

The fourth proportional to 671,545.84, 926,739.48 and 369,750.64 is: 510,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,545.84 : 926,739.48 = 369,750.64 : x
  2. Step 2: Convert to fraction form
    671,545.84/926,739.48 = 369,750.64/x
  3. Step 3: Cross multiply
    671,545.84x = 926,739.48 × 369,750.64
  4. Step 4: Simplify right side
    671,545.84x = 342,662,515,843.27
  5. Step 5: Solve for x
    x = 342,662,515,843.27/671,545.84
  6. Step 6: Final answer
    x = 510,259.31

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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.