Home / 753,425.20-1,130,137.80-501,045.40

Finding the Fourth Proportional to 753,425.20, 1,130,137.80 and 501,045.40

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Solution

The fourth proportional to 753,425.20, 1,130,137.80 and 501,045.40 is: 751,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,425.20 : 1,130,137.80 = 501,045.40 : x
  2. Step 2: Convert to fraction form
    753,425.20/1,130,137.80 = 501,045.40/x
  3. Step 3: Cross multiply
    753,425.20x = 1,130,137.80 × 501,045.40
  4. Step 4: Simplify right side
    753,425.20x = 566,250,346,056.12
  5. Step 5: Solve for x
    x = 566,250,346,056.12/753,425.20
  6. Step 6: Final answer
    x = 751,568.10

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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.