Home / 889,311.61-1,226,943.34-502,078.69

Finding the Fourth Proportional to 889,311.61, 1,226,943.34 and 502,078.69

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Solution

The fourth proportional to 889,311.61, 1,226,943.34 and 502,078.69 is: 692,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,311.61 : 1,226,943.34 = 502,078.69 : x
  2. Step 2: Convert to fraction form
    889,311.61/1,226,943.34 = 502,078.69/x
  3. Step 3: Cross multiply
    889,311.61x = 1,226,943.34 × 502,078.69
  4. Step 4: Simplify right side
    889,311.61x = 616,022,104,851.43
  5. Step 5: Solve for x
    x = 616,022,104,851.43/889,311.61
  6. Step 6: Final answer
    x = 692,695.45

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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.