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Finding the Fourth Proportional to 602,970.81, 904,476.53 and 303,288

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Solution

The fourth proportional to 602,970.81, 904,476.53 and 303,288 is: 454,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,970.81 : 904,476.53 = 303,288 : x
  2. Step 2: Convert to fraction form
    602,970.81/904,476.53 = 303,288/x
  3. Step 3: Cross multiply
    602,970.81x = 904,476.53 × 303,288
  4. Step 4: Simplify right side
    602,970.81x = 274,316,877,830.64
  5. Step 5: Solve for x
    x = 274,316,877,830.64/602,970.81
  6. Step 6: Final answer
    x = 454,942.22

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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.