Home / 948,298.59-1,307,778.62-621,492.56

Finding the Fourth Proportional to 948,298.59, 1,307,778.62 and 621,492.56

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Solution

The fourth proportional to 948,298.59, 1,307,778.62 and 621,492.56 is: 857,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,298.59 : 1,307,778.62 = 621,492.56 : x
  2. Step 2: Convert to fraction form
    948,298.59/1,307,778.62 = 621,492.56/x
  3. Step 3: Cross multiply
    948,298.59x = 1,307,778.62 × 621,492.56
  4. Step 4: Simplify right side
    948,298.59x = 812,774,677,714.88
  5. Step 5: Solve for x
    x = 812,774,677,714.88/948,298.59
  6. Step 6: Final answer
    x = 857,087.30

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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.