Home / 768,045.24-1,059,461.73-445,714.23

Finding the Fourth Proportional to 768,045.24, 1,059,461.73 and 445,714.23

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Solution

The fourth proportional to 768,045.24, 1,059,461.73 and 445,714.23 is: 614,829.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,045.24 : 1,059,461.73 = 445,714.23 : x
  2. Step 2: Convert to fraction form
    768,045.24/1,059,461.73 = 445,714.23/x
  3. Step 3: Cross multiply
    768,045.24x = 1,059,461.73 × 445,714.23
  4. Step 4: Simplify right side
    768,045.24x = 472,217,169,201.42
  5. Step 5: Solve for x
    x = 472,217,169,201.42/768,045.24
  6. Step 6: Final answer
    x = 614,829.89

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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.