Home / 507,280.74-760,897.40-207,687.26

Finding the Fourth Proportional to 507,280.74, 760,897.40 and 207,687.26

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Solution

The fourth proportional to 507,280.74, 760,897.40 and 207,687.26 is: 311,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,280.74 : 760,897.40 = 207,687.26 : x
  2. Step 2: Convert to fraction form
    507,280.74/760,897.40 = 207,687.26/x
  3. Step 3: Cross multiply
    507,280.74x = 760,897.40 × 207,687.26
  4. Step 4: Simplify right side
    507,280.74x = 158,028,696,147.12
  5. Step 5: Solve for x
    x = 158,028,696,147.12/507,280.74
  6. Step 6: Final answer
    x = 311,521.18

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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.