Home / 761,237.73-1,050,542.24-421,684.11

Finding the Fourth Proportional to 761,237.73, 1,050,542.24 and 421,684.11

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Solution

The fourth proportional to 761,237.73, 1,050,542.24 and 421,684.11 is: 581,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,237.73 : 1,050,542.24 = 421,684.11 : x
  2. Step 2: Convert to fraction form
    761,237.73/1,050,542.24 = 421,684.11/x
  3. Step 3: Cross multiply
    761,237.73x = 1,050,542.24 × 421,684.11
  4. Step 4: Simplify right side
    761,237.73x = 442,996,967,383.39
  5. Step 5: Solve for x
    x = 442,996,967,383.39/761,237.73
  6. Step 6: Final answer
    x = 581,943.00

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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.