Home / 507,533.02-761,224.34-307,799.78

Finding the Fourth Proportional to 507,533.02, 761,224.34 and 307,799.78

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Solution

The fourth proportional to 507,533.02, 761,224.34 and 307,799.78 is: 461,654.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,533.02 : 761,224.34 = 307,799.78 : x
  2. Step 2: Convert to fraction form
    507,533.02/761,224.34 = 307,799.78/x
  3. Step 3: Cross multiply
    507,533.02x = 761,224.34 × 307,799.78
  4. Step 4: Simplify right side
    507,533.02x = 234,304,681,346.02
  5. Step 5: Solve for x
    x = 234,304,681,346.02/507,533.02
  6. Step 6: Final answer
    x = 461,654.07

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1.5x scale

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.