Home / 406,451.04-609,509.70-122,042.22

Finding the Fourth Proportional to 406,451.04, 609,509.70 and 122,042.22

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Solution

The fourth proportional to 406,451.04, 609,509.70 and 122,042.22 is: 183,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,451.04 : 609,509.70 = 122,042.22 : x
  2. Step 2: Convert to fraction form
    406,451.04/609,509.70 = 122,042.22/x
  3. Step 3: Cross multiply
    406,451.04x = 609,509.70 × 122,042.22
  4. Step 4: Simplify right side
    406,451.04x = 74,385,916,899.53
  5. Step 5: Solve for x
    x = 74,385,916,899.53/406,451.04
  6. Step 6: Final answer
    x = 183,013.23

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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.