Home / 771,108.26-1,154,650.34-620,526.02

Finding the Fourth Proportional to 771,108.26, 1,154,650.34 and 620,526.02

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Solution

The fourth proportional to 771,108.26, 1,154,650.34 and 620,526.02 is: 929,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,108.26 : 1,154,650.34 = 620,526.02 : x
  2. Step 2: Convert to fraction form
    771,108.26/1,154,650.34 = 620,526.02/x
  3. Step 3: Cross multiply
    771,108.26x = 1,154,650.34 × 620,526.02
  4. Step 4: Simplify right side
    771,108.26x = 716,490,575,749.91
  5. Step 5: Solve for x
    x = 716,490,575,749.91/771,108.26
  6. Step 6: Final answer
    x = 929,169.89

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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.