Home / 535,785.98-803,518.58-215,835.18

Finding the Fourth Proportional to 535,785.98, 803,518.58 and 215,835.18

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Solution

The fourth proportional to 535,785.98, 803,518.58 and 215,835.18 is: 323,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,785.98 : 803,518.58 = 215,835.18 : x
  2. Step 2: Convert to fraction form
    535,785.98/803,518.58 = 215,835.18/x
  3. Step 3: Cross multiply
    535,785.98x = 803,518.58 × 215,835.18
  4. Step 4: Simplify right side
    535,785.98x = 173,427,577,347.64
  5. Step 5: Solve for x
    x = 173,427,577,347.64/535,785.98
  6. Step 6: Final answer
    x = 323,688.16

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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.