Home / 751,325.88-1,036,503.88-497,031.24

Finding the Fourth Proportional to 751,325.88, 1,036,503.88 and 497,031.24

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Solution

The fourth proportional to 751,325.88, 1,036,503.88 and 497,031.24 is: 685,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,325.88 : 1,036,503.88 = 497,031.24 : x
  2. Step 2: Convert to fraction form
    751,325.88/1,036,503.88 = 497,031.24/x
  3. Step 3: Cross multiply
    751,325.88x = 1,036,503.88 × 497,031.24
  4. Step 4: Simplify right side
    751,325.88x = 515,174,808,741.21
  5. Step 5: Solve for x
    x = 515,174,808,741.21/751,325.88
  6. Step 6: Final answer
    x = 685,687.56

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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.