Home / 942,211.20-1,300,272.84-512,514.30

Finding the Fourth Proportional to 942,211.20, 1,300,272.84 and 512,514.30

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Solution

The fourth proportional to 942,211.20, 1,300,272.84 and 512,514.30 is: 707,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,211.20 : 1,300,272.84 = 512,514.30 : x
  2. Step 2: Convert to fraction form
    942,211.20/1,300,272.84 = 512,514.30/x
  3. Step 3: Cross multiply
    942,211.20x = 1,300,272.84 × 512,514.30
  4. Step 4: Simplify right side
    942,211.20x = 666,408,424,401.61
  5. Step 5: Solve for x
    x = 666,408,424,401.61/942,211.20
  6. Step 6: Final answer
    x = 707,281.37

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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.