Home / 670,511.94-1,006,428.90-492,519.30

Finding the Fourth Proportional to 670,511.94, 1,006,428.90 and 492,519.30

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Solution

The fourth proportional to 670,511.94, 1,006,428.90 and 492,519.30 is: 739,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,511.94 : 1,006,428.90 = 492,519.30 : x
  2. Step 2: Convert to fraction form
    670,511.94/1,006,428.90 = 492,519.30/x
  3. Step 3: Cross multiply
    670,511.94x = 1,006,428.90 × 492,519.30
  4. Step 4: Simplify right side
    670,511.94x = 495,685,657,327.77
  5. Step 5: Solve for x
    x = 495,685,657,327.77/670,511.94
  6. Step 6: Final answer
    x = 739,264.48

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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.