Home / 904,514.40-1,356,901.20-305,503.20

Finding the Fourth Proportional to 904,514.40, 1,356,901.20 and 305,503.20

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Solution

The fourth proportional to 904,514.40, 1,356,901.20 and 305,503.20 is: 458,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,514.40 : 1,356,901.20 = 305,503.20 : x
  2. Step 2: Convert to fraction form
    904,514.40/1,356,901.20 = 305,503.20/x
  3. Step 3: Cross multiply
    904,514.40x = 1,356,901.20 × 305,503.20
  4. Step 4: Simplify right side
    904,514.40x = 414,537,658,683.84
  5. Step 5: Solve for x
    x = 414,537,658,683.84/904,514.40
  6. Step 6: Final answer
    x = 458,298.57

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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.