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Finding the Fourth Proportional to 553,095, 830,342.70 and 339,337.62

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Solution

The fourth proportional to 553,095, 830,342.70 and 339,337.62 is: 509,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,095 : 830,342.70 = 339,337.62 : x
  2. Step 2: Convert to fraction form
    553,095/830,342.70 = 339,337.62/x
  3. Step 3: Cross multiply
    553,095x = 830,342.70 × 339,337.62
  4. Step 4: Simplify right side
    553,095x = 281,766,515,602.37
  5. Step 5: Solve for x
    x = 281,766,515,602.37/553,095
  6. Step 6: Final answer
    x = 509,436.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.