Home / 762,314.39-1,142,548.58-424,996.77

Finding the Fourth Proportional to 762,314.39, 1,142,548.58 and 424,996.77

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Solution

The fourth proportional to 762,314.39, 1,142,548.58 and 424,996.77 is: 636,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,314.39 : 1,142,548.58 = 424,996.77 : x
  2. Step 2: Convert to fraction form
    762,314.39/1,142,548.58 = 424,996.77/x
  3. Step 3: Cross multiply
    762,314.39x = 1,142,548.58 × 424,996.77
  4. Step 4: Simplify right side
    762,314.39x = 485,579,453,943.10
  5. Step 5: Solve for x
    x = 485,579,453,943.10/762,314.39
  6. Step 6: Final answer
    x = 636,980.57

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1.5x scale

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.