Home / 535,919.72-802,834.65-298,547.60

Finding the Fourth Proportional to 535,919.72, 802,834.65 and 298,547.60

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Solution

The fourth proportional to 535,919.72, 802,834.65 and 298,547.60 is: 447,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,919.72 : 802,834.65 = 298,547.60 : x
  2. Step 2: Convert to fraction form
    535,919.72/802,834.65 = 298,547.60/x
  3. Step 3: Cross multiply
    535,919.72x = 802,834.65 × 298,547.60
  4. Step 4: Simplify right side
    535,919.72x = 239,684,353,940.17
  5. Step 5: Solve for x
    x = 239,684,353,940.17/535,919.72
  6. Step 6: Final answer
    x = 447,239.29

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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.