Home / 670,705.30-1,006,057.95-404,328.70

Finding the Fourth Proportional to 670,705.30, 1,006,057.95 and 404,328.70

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Solution

The fourth proportional to 670,705.30, 1,006,057.95 and 404,328.70 is: 606,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,705.30 : 1,006,057.95 = 404,328.70 : x
  2. Step 2: Convert to fraction form
    670,705.30/1,006,057.95 = 404,328.70/x
  3. Step 3: Cross multiply
    670,705.30x = 1,006,057.95 × 404,328.70
  4. Step 4: Simplify right side
    670,705.30x = 406,778,103,048.17
  5. Step 5: Solve for x
    x = 406,778,103,048.17/670,705.30
  6. Step 6: Final answer
    x = 606,493.05

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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.