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Finding the Fourth Proportional to 555,672.94, 766,827.54 and 301,024.74

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Solution

The fourth proportional to 555,672.94, 766,827.54 and 301,024.74 is: 415,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,672.94 : 766,827.54 = 301,024.74 : x
  2. Step 2: Convert to fraction form
    555,672.94/766,827.54 = 301,024.74/x
  3. Step 3: Cross multiply
    555,672.94x = 766,827.54 × 301,024.74
  4. Step 4: Simplify right side
    555,672.94x = 230,834,060,853.34
  5. Step 5: Solve for x
    x = 230,834,060,853.34/555,672.94
  6. Step 6: Final answer
    x = 415,413.54

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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.