Home / 942,723.40-1,300,985.64-513,031.24

Finding the Fourth Proportional to 942,723.40, 1,300,985.64 and 513,031.24

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Solution

The fourth proportional to 942,723.40, 1,300,985.64 and 513,031.24 is: 707,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,723.40 : 1,300,985.64 = 513,031.24 : x
  2. Step 2: Convert to fraction form
    942,723.40/1,300,985.64 = 513,031.24/x
  3. Step 3: Cross multiply
    942,723.40x = 1,300,985.64 × 513,031.24
  4. Step 4: Simplify right side
    942,723.40x = 667,446,276,111.39
  5. Step 5: Solve for x
    x = 667,446,276,111.39/942,723.40
  6. Step 6: Final answer
    x = 707,997.99

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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.