Home / 551,384.40-761,075.48-322,003.56

Finding the Fourth Proportional to 551,384.40, 761,075.48 and 322,003.56

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Solution

The fourth proportional to 551,384.40, 761,075.48 and 322,003.56 is: 444,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,384.40 : 761,075.48 = 322,003.56 : x
  2. Step 2: Convert to fraction form
    551,384.40/761,075.48 = 322,003.56/x
  3. Step 3: Cross multiply
    551,384.40x = 761,075.48 × 322,003.56
  4. Step 4: Simplify right side
    551,384.40x = 245,069,013,988.71
  5. Step 5: Solve for x
    x = 245,069,013,988.71/551,384.40
  6. Step 6: Final answer
    x = 444,461.28

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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.