Home / 670,208.60-1,005,312.90-404,269.40

Finding the Fourth Proportional to 670,208.60, 1,005,312.90 and 404,269.40

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Solution

The fourth proportional to 670,208.60, 1,005,312.90 and 404,269.40 is: 606,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,208.60 : 1,005,312.90 = 404,269.40 : x
  2. Step 2: Convert to fraction form
    670,208.60/1,005,312.90 = 404,269.40/x
  3. Step 3: Cross multiply
    670,208.60x = 1,005,312.90 × 404,269.40
  4. Step 4: Simplify right side
    670,208.60x = 406,417,242,895.26
  5. Step 5: Solve for x
    x = 406,417,242,895.26/670,208.60
  6. Step 6: Final answer
    x = 606,404.10

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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.