Home / 748,303.64-1,032,681.72-408,793.76

Finding the Fourth Proportional to 748,303.64, 1,032,681.72 and 408,793.76

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Solution

The fourth proportional to 748,303.64, 1,032,681.72 and 408,793.76 is: 564,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,303.64 : 1,032,681.72 = 408,793.76 : x
  2. Step 2: Convert to fraction form
    748,303.64/1,032,681.72 = 408,793.76/x
  3. Step 3: Cross multiply
    748,303.64x = 1,032,681.72 × 408,793.76
  4. Step 4: Simplify right side
    748,303.64x = 422,153,843,202.07
  5. Step 5: Solve for x
    x = 422,153,843,202.07/748,303.64
  6. Step 6: Final answer
    x = 564,147.79

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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.