Home / 746,243.98-1,029,751.54-415,036.50

Finding the Fourth Proportional to 746,243.98, 1,029,751.54 and 415,036.50

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Solution

The fourth proportional to 746,243.98, 1,029,751.54 and 415,036.50 is: 572,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,243.98 : 1,029,751.54 = 415,036.50 : x
  2. Step 2: Convert to fraction form
    746,243.98/1,029,751.54 = 415,036.50/x
  3. Step 3: Cross multiply
    746,243.98x = 1,029,751.54 × 415,036.50
  4. Step 4: Simplify right side
    746,243.98x = 427,384,475,031.21
  5. Step 5: Solve for x
    x = 427,384,475,031.21/746,243.98
  6. Step 6: Final answer
    x = 572,714.13

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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.