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Finding the Fourth Proportional to 712,353.63, 983,049.63 and 385,670.10

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Solution

The fourth proportional to 712,353.63, 983,049.63 and 385,670.10 is: 532,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,353.63 : 983,049.63 = 385,670.10 : x
  2. Step 2: Convert to fraction form
    712,353.63/983,049.63 = 385,670.10/x
  3. Step 3: Cross multiply
    712,353.63x = 983,049.63 × 385,670.10
  4. Step 4: Simplify right side
    712,353.63x = 379,132,849,107.06
  5. Step 5: Solve for x
    x = 379,132,849,107.06/712,353.63
  6. Step 6: Final answer
    x = 532,225.62

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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.