Home / 916,677.47-1,265,005.34-508,782.83

Finding the Fourth Proportional to 916,677.47, 1,265,005.34 and 508,782.83

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Solution

The fourth proportional to 916,677.47, 1,265,005.34 and 508,782.83 is: 702,114.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,677.47 : 1,265,005.34 = 508,782.83 : x
  2. Step 2: Convert to fraction form
    916,677.47/1,265,005.34 = 508,782.83/x
  3. Step 3: Cross multiply
    916,677.47x = 1,265,005.34 × 508,782.83
  4. Step 4: Simplify right side
    916,677.47x = 643,612,987,981.37
  5. Step 5: Solve for x
    x = 643,612,987,981.37/916,677.47
  6. Step 6: Final answer
    x = 702,114.99

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1.5x scale

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.