Home / 768,345.35-1,060,455.38-458,267.82

Finding the Fourth Proportional to 768,345.35, 1,060,455.38 and 458,267.82

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Solution

The fourth proportional to 768,345.35, 1,060,455.38 and 458,267.82 is: 632,492.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,345.35 : 1,060,455.38 = 458,267.82 : x
  2. Step 2: Convert to fraction form
    768,345.35/1,060,455.38 = 458,267.82/x
  3. Step 3: Cross multiply
    768,345.35x = 1,060,455.38 × 458,267.82
  4. Step 4: Simplify right side
    768,345.35x = 485,972,572,908.53
  5. Step 5: Solve for x
    x = 485,972,572,908.53/768,345.35
  6. Step 6: Final answer
    x = 632,492.38

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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.