Home / 612,117.72-844,702.23-336,476.50

Finding the Fourth Proportional to 612,117.72, 844,702.23 and 336,476.50

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Solution

The fourth proportional to 612,117.72, 844,702.23 and 336,476.50 is: 464,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,117.72 : 844,702.23 = 336,476.50 : x
  2. Step 2: Convert to fraction form
    612,117.72/844,702.23 = 336,476.50/x
  3. Step 3: Cross multiply
    612,117.72x = 844,702.23 × 336,476.50
  4. Step 4: Simplify right side
    612,117.72x = 284,222,445,669.08
  5. Step 5: Solve for x
    x = 284,222,445,669.08/612,117.72
  6. Step 6: Final answer
    x = 464,326.45

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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.