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Finding the Fourth Proportional to 559,969.30, 839,953.95 and 307,152.10

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Solution

The fourth proportional to 559,969.30, 839,953.95 and 307,152.10 is: 460,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,969.30 : 839,953.95 = 307,152.10 : x
  2. Step 2: Convert to fraction form
    559,969.30/839,953.95 = 307,152.10/x
  3. Step 3: Cross multiply
    559,969.30x = 839,953.95 × 307,152.10
  4. Step 4: Simplify right side
    559,969.30x = 257,993,619,645.80
  5. Step 5: Solve for x
    x = 257,993,619,645.80/559,969.30
  6. Step 6: Final answer
    x = 460,728.15

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Similar ratio
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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.