Home / 930,459.60-1,395,883.80-299,437.20

Finding the Fourth Proportional to 930,459.60, 1,395,883.80 and 299,437.20

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Solution

The fourth proportional to 930,459.60, 1,395,883.80 and 299,437.20 is: 449,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,459.60 : 1,395,883.80 = 299,437.20 : x
  2. Step 2: Convert to fraction form
    930,459.60/1,395,883.80 = 299,437.20/x
  3. Step 3: Cross multiply
    930,459.60x = 1,395,883.80 × 299,437.20
  4. Step 4: Simplify right side
    930,459.60x = 417,979,536,597.36
  5. Step 5: Solve for x
    x = 417,979,536,597.36/930,459.60
  6. Step 6: Final answer
    x = 449,218.36

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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.