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Finding the Fourth Proportional to 602,220.30, 830,929.50 and 344,014.80

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Solution

The fourth proportional to 602,220.30, 830,929.50 and 344,014.80 is: 474,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,220.30 : 830,929.50 = 344,014.80 : x
  2. Step 2: Convert to fraction form
    602,220.30/830,929.50 = 344,014.80/x
  3. Step 3: Cross multiply
    602,220.30x = 830,929.50 × 344,014.80
  4. Step 4: Simplify right side
    602,220.30x = 285,852,045,756.60
  5. Step 5: Solve for x
    x = 285,852,045,756.60/602,220.30
  6. Step 6: Final answer
    x = 474,663.58

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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.