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Finding the Fourth Proportional to 507,254.30, 760,543.76 and 304,393.64

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Solution

The fourth proportional to 507,254.30, 760,543.76 and 304,393.64 is: 456,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,254.30 : 760,543.76 = 304,393.64 : x
  2. Step 2: Convert to fraction form
    507,254.30/760,543.76 = 304,393.64/x
  3. Step 3: Cross multiply
    507,254.30x = 760,543.76 × 304,393.64
  4. Step 4: Simplify right side
    507,254.30x = 231,504,683,485.69
  5. Step 5: Solve for x
    x = 231,504,683,485.69/507,254.30
  6. Step 6: Final answer
    x = 456,387.82

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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.