Home / 762,152.79-1,142,232.58-312,347.04

Finding the Fourth Proportional to 762,152.79, 1,142,232.58 and 312,347.04

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Solution

The fourth proportional to 762,152.79, 1,142,232.58 and 312,347.04 is: 468,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,152.79 : 1,142,232.58 = 312,347.04 : x
  2. Step 2: Convert to fraction form
    762,152.79/1,142,232.58 = 312,347.04/x
  3. Step 3: Cross multiply
    762,152.79x = 1,142,232.58 × 312,347.04
  4. Step 4: Simplify right side
    762,152.79x = 356,772,961,461.63
  5. Step 5: Solve for x
    x = 356,772,961,461.63/762,152.79
  6. Step 6: Final answer
    x = 468,112.12

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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.