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Finding the Fourth Proportional to 612,424.51, 845,159.55 and 336,764.89

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Solution

The fourth proportional to 612,424.51, 845,159.55 and 336,764.89 is: 464,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,424.51 : 845,159.55 = 336,764.89 : x
  2. Step 2: Convert to fraction form
    612,424.51/845,159.55 = 336,764.89/x
  3. Step 3: Cross multiply
    612,424.51x = 845,159.55 × 336,764.89
  4. Step 4: Simplify right side
    612,424.51x = 284,620,062,681.78
  5. Step 5: Solve for x
    x = 284,620,062,681.78/612,424.51
  6. Step 6: Final answer
    x = 464,743.10

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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.