Home / 808,547.70-1,213,258.95-335,280.90

Finding the Fourth Proportional to 808,547.70, 1,213,258.95 and 335,280.90

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Solution

The fourth proportional to 808,547.70, 1,213,258.95 and 335,280.90 is: 503,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,547.70 : 1,213,258.95 = 335,280.90 : x
  2. Step 2: Convert to fraction form
    808,547.70/1,213,258.95 = 335,280.90/x
  3. Step 3: Cross multiply
    808,547.70x = 1,213,258.95 × 335,280.90
  4. Step 4: Simplify right side
    808,547.70x = 406,782,552,689.06
  5. Step 5: Solve for x
    x = 406,782,552,689.06/808,547.70
  6. Step 6: Final answer
    x = 503,102.73

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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.