Home / 707,028.93-975,721.98-401,118.20

Finding the Fourth Proportional to 707,028.93, 975,721.98 and 401,118.20

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Solution

The fourth proportional to 707,028.93, 975,721.98 and 401,118.20 is: 553,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,028.93 : 975,721.98 = 401,118.20 : x
  2. Step 2: Convert to fraction form
    707,028.93/975,721.98 = 401,118.20/x
  3. Step 3: Cross multiply
    707,028.93x = 975,721.98 × 401,118.20
  4. Step 4: Simplify right side
    707,028.93x = 391,379,843,962.36
  5. Step 5: Solve for x
    x = 391,379,843,962.36/707,028.93
  6. Step 6: Final answer
    x = 553,555.63

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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.