Home / 743,607.69-1,026,178.70-404,075.13

Finding the Fourth Proportional to 743,607.69, 1,026,178.70 and 404,075.13

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Solution

The fourth proportional to 743,607.69, 1,026,178.70 and 404,075.13 is: 557,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,607.69 : 1,026,178.70 = 404,075.13 : x
  2. Step 2: Convert to fraction form
    743,607.69/1,026,178.70 = 404,075.13/x
  3. Step 3: Cross multiply
    743,607.69x = 1,026,178.70 × 404,075.13
  4. Step 4: Simplify right side
    743,607.69x = 414,653,291,605.73
  5. Step 5: Solve for x
    x = 414,653,291,605.73/743,607.69
  6. Step 6: Final answer
    x = 557,623.73

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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.