Home / 626,211.80-938,547.89-288,784.02

Finding the Fourth Proportional to 626,211.80, 938,547.89 and 288,784.02

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Solution

The fourth proportional to 626,211.80, 938,547.89 and 288,784.02 is: 432,821.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,211.80 : 938,547.89 = 288,784.02 : x
  2. Step 2: Convert to fraction form
    626,211.80/938,547.89 = 288,784.02/x
  3. Step 3: Cross multiply
    626,211.80x = 938,547.89 × 288,784.02
  4. Step 4: Simplify right side
    626,211.80x = 271,037,632,636.72
  5. Step 5: Solve for x
    x = 271,037,632,636.72/626,211.80
  6. Step 6: Final answer
    x = 432,821.02

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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.