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Finding the Fourth Proportional to 652,088.88, 978,133.86 and 525,133.80

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Solution

The fourth proportional to 652,088.88, 978,133.86 and 525,133.80 is: 787,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,088.88 : 978,133.86 = 525,133.80 : x
  2. Step 2: Convert to fraction form
    652,088.88/978,133.86 = 525,133.80/x
  3. Step 3: Cross multiply
    652,088.88x = 978,133.86 × 525,133.80
  4. Step 4: Simplify right side
    652,088.88x = 513,651,150,810.47
  5. Step 5: Solve for x
    x = 513,651,150,810.47/652,088.88
  6. Step 6: Final answer
    x = 787,701.13

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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.