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Finding the Fourth Proportional to 602,001.12, 830,777.40 and 340,335.60

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Solution

The fourth proportional to 602,001.12, 830,777.40 and 340,335.60 is: 469,672.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,001.12 : 830,777.40 = 340,335.60 : x
  2. Step 2: Convert to fraction form
    602,001.12/830,777.40 = 340,335.60/x
  3. Step 3: Cross multiply
    602,001.12x = 830,777.40 × 340,335.60
  4. Step 4: Simplify right side
    602,001.12x = 282,743,124,895.44
  5. Step 5: Solve for x
    x = 282,743,124,895.44/602,001.12
  6. Step 6: Final answer
    x = 469,672.09

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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.