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Finding the Fourth Proportional to 714,424.42, 985,954.98 and 472,287.07

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Solution

The fourth proportional to 714,424.42, 985,954.98 and 472,287.07 is: 651,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,424.42 : 985,954.98 = 472,287.07 : x
  2. Step 2: Convert to fraction form
    714,424.42/985,954.98 = 472,287.07/x
  3. Step 3: Cross multiply
    714,424.42x = 985,954.98 × 472,287.07
  4. Step 4: Simplify right side
    714,424.42x = 465,653,788,656.11
  5. Step 5: Solve for x
    x = 465,653,788,656.11/714,424.42
  6. Step 6: Final answer
    x = 651,788.73

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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.