Home / 743,953.02-1,026,666.63-404,422.62

Finding the Fourth Proportional to 743,953.02, 1,026,666.63 and 404,422.62

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Solution

The fourth proportional to 743,953.02, 1,026,666.63 and 404,422.62 is: 558,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,953.02 : 1,026,666.63 = 404,422.62 : x
  2. Step 2: Convert to fraction form
    743,953.02/1,026,666.63 = 404,422.62/x
  3. Step 3: Cross multiply
    743,953.02x = 1,026,666.63 × 404,422.62
  4. Step 4: Simplify right side
    743,953.02x = 415,207,208,371.17
  5. Step 5: Solve for x
    x = 415,207,208,371.17/743,953.02
  6. Step 6: Final answer
    x = 558,109.45

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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.