Home / 902,851.12-1,353,110.28-429,681.52

Finding the Fourth Proportional to 902,851.12, 1,353,110.28 and 429,681.52

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Solution

The fourth proportional to 902,851.12, 1,353,110.28 and 429,681.52 is: 643,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,851.12 : 1,353,110.28 = 429,681.52 : x
  2. Step 2: Convert to fraction form
    902,851.12/1,353,110.28 = 429,681.52/x
  3. Step 3: Cross multiply
    902,851.12x = 1,353,110.28 × 429,681.52
  4. Step 4: Simplify right side
    902,851.12x = 581,406,481,838.03
  5. Step 5: Solve for x
    x = 581,406,481,838.03/902,851.12
  6. Step 6: Final answer
    x = 643,967.17

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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.