Home / 907,688.16-1,361,538.96-339,197.76

Finding the Fourth Proportional to 907,688.16, 1,361,538.96 and 339,197.76

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Solution

The fourth proportional to 907,688.16, 1,361,538.96 and 339,197.76 is: 508,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,688.16 : 1,361,538.96 = 339,197.76 : x
  2. Step 2: Convert to fraction form
    907,688.16/1,361,538.96 = 339,197.76/x
  3. Step 3: Cross multiply
    907,688.16x = 1,361,538.96 × 339,197.76
  4. Step 4: Simplify right side
    907,688.16x = 461,830,965,384.73
  5. Step 5: Solve for x
    x = 461,830,965,384.73/907,688.16
  6. Step 6: Final answer
    x = 508,799.15

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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.