Home / 507,905.10-761,864.13-350,091.18

Finding the Fourth Proportional to 507,905.10, 761,864.13 and 350,091.18

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Solution

The fourth proportional to 507,905.10, 761,864.13 and 350,091.18 is: 525,141.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,905.10 : 761,864.13 = 350,091.18 : x
  2. Step 2: Convert to fraction form
    507,905.10/761,864.13 = 350,091.18/x
  3. Step 3: Cross multiply
    507,905.10x = 761,864.13 × 350,091.18
  4. Step 4: Simplify right side
    507,905.10x = 266,721,912,271.37
  5. Step 5: Solve for x
    x = 266,721,912,271.37/507,905.10
  6. Step 6: Final answer
    x = 525,141.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.