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Finding the Fourth Proportional to 668,063.04, 921,985.02 and 366,315.36

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Solution

The fourth proportional to 668,063.04, 921,985.02 and 366,315.36 is: 505,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,063.04 : 921,985.02 = 366,315.36 : x
  2. Step 2: Convert to fraction form
    668,063.04/921,985.02 = 366,315.36/x
  3. Step 3: Cross multiply
    668,063.04x = 921,985.02 × 366,315.36
  4. Step 4: Simplify right side
    668,063.04x = 337,737,274,515.91
  5. Step 5: Solve for x
    x = 337,737,274,515.91/668,063.04
  6. Step 6: Final answer
    x = 505,547.01

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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.