Home / 452,631.50-678,050.56-310,126.58

Finding the Fourth Proportional to 452,631.50, 678,050.56 and 310,126.58

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Solution

The fourth proportional to 452,631.50, 678,050.56 and 310,126.58 is: 464,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,631.50 : 678,050.56 = 310,126.58 : x
  2. Step 2: Convert to fraction form
    452,631.50/678,050.56 = 310,126.58/x
  3. Step 3: Cross multiply
    452,631.50x = 678,050.56 × 310,126.58
  4. Step 4: Simplify right side
    452,631.50x = 210,281,501,239.89
  5. Step 5: Solve for x
    x = 210,281,501,239.89/452,631.50
  6. Step 6: Final answer
    x = 464,575.49

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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.