Home / 653,739.36-901,796.31-607,501.50

Finding the Fourth Proportional to 653,739.36, 901,796.31 and 607,501.50

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Solution

The fourth proportional to 653,739.36, 901,796.31 and 607,501.50 is: 838,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,739.36 : 901,796.31 = 607,501.50 : x
  2. Step 2: Convert to fraction form
    653,739.36/901,796.31 = 607,501.50/x
  3. Step 3: Cross multiply
    653,739.36x = 901,796.31 × 607,501.50
  4. Step 4: Simplify right side
    653,739.36x = 547,842,611,019.47
  5. Step 5: Solve for x
    x = 547,842,611,019.47/653,739.36
  6. Step 6: Final answer
    x = 838,013.81

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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.