Home / 743,740.52-1,026,356.26-404,211.20

Finding the Fourth Proportional to 743,740.52, 1,026,356.26 and 404,211.20

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Solution

The fourth proportional to 743,740.52, 1,026,356.26 and 404,211.20 is: 557,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,740.52 : 1,026,356.26 = 404,211.20 : x
  2. Step 2: Convert to fraction form
    743,740.52/1,026,356.26 = 404,211.20/x
  3. Step 3: Cross multiply
    743,740.52x = 1,026,356.26 × 404,211.20
  4. Step 4: Simplify right side
    743,740.52x = 414,864,695,482.11
  5. Step 5: Solve for x
    x = 414,864,695,482.11/743,740.52
  6. Step 6: Final answer
    x = 557,808.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.