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Finding the Fourth Proportional to 554,009.47, 764,533.51 and 299,360.66

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Solution

The fourth proportional to 554,009.47, 764,533.51 and 299,360.66 is: 413,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,009.47 : 764,533.51 = 299,360.66 : x
  2. Step 2: Convert to fraction form
    554,009.47/764,533.51 = 299,360.66/x
  3. Step 3: Cross multiply
    554,009.47x = 764,533.51 × 299,360.66
  4. Step 4: Simplify right side
    554,009.47x = 228,871,251,574.65
  5. Step 5: Solve for x
    x = 228,871,251,574.65/554,009.47
  6. Step 6: Final answer
    x = 413,117.94

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1.5x scale

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.