Home / 840,498.84-1,159,886.88-458,525.70

Finding the Fourth Proportional to 840,498.84, 1,159,886.88 and 458,525.70

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Solution

The fourth proportional to 840,498.84, 1,159,886.88 and 458,525.70 is: 632,764.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,498.84 : 1,159,886.88 = 458,525.70 : x
  2. Step 2: Convert to fraction form
    840,498.84/1,159,886.88 = 458,525.70/x
  3. Step 3: Cross multiply
    840,498.84x = 1,159,886.88 × 458,525.70
  4. Step 4: Simplify right side
    840,498.84x = 531,837,943,572.82
  5. Step 5: Solve for x
    x = 531,837,943,572.82/840,498.84
  6. Step 6: Final answer
    x = 632,764.64

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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.