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Finding the Fourth Proportional to 626,547.09, 864,611.82 and 340,061.04

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Solution

The fourth proportional to 626,547.09, 864,611.82 and 340,061.04 is: 469,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,547.09 : 864,611.82 = 340,061.04 : x
  2. Step 2: Convert to fraction form
    626,547.09/864,611.82 = 340,061.04/x
  3. Step 3: Cross multiply
    626,547.09x = 864,611.82 × 340,061.04
  4. Step 4: Simplify right side
    626,547.09x = 294,020,794,705.49
  5. Step 5: Solve for x
    x = 294,020,794,705.49/626,547.09
  6. Step 6: Final answer
    x = 469,271.66

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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.