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Finding the Fourth Proportional to 669,852.77, 924,407.31 and 363,935.21

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Solution

The fourth proportional to 669,852.77, 924,407.31 and 363,935.21 is: 502,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,852.77 : 924,407.31 = 363,935.21 : x
  2. Step 2: Convert to fraction form
    669,852.77/924,407.31 = 363,935.21/x
  3. Step 3: Cross multiply
    669,852.77x = 924,407.31 × 363,935.21
  4. Step 4: Simplify right side
    669,852.77x = 336,424,368,490.39
  5. Step 5: Solve for x
    x = 336,424,368,490.39/669,852.77
  6. Step 6: Final answer
    x = 502,236.29

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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.