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Finding the Fourth Proportional to 807,602.64, 1,210,632.84 and 302,026.56

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Solution

The fourth proportional to 807,602.64, 1,210,632.84 and 302,026.56 is: 452,751.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,602.64 : 1,210,632.84 = 302,026.56 : x
  2. Step 2: Convert to fraction form
    807,602.64/1,210,632.84 = 302,026.56/x
  3. Step 3: Cross multiply
    807,602.64x = 1,210,632.84 × 302,026.56
  4. Step 4: Simplify right side
    807,602.64x = 365,643,272,088.23
  5. Step 5: Solve for x
    x = 365,643,272,088.23/807,602.64
  6. Step 6: Final answer
    x = 452,751.46

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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.