Home / 760,138.29-1,048,990.77-415,974.29

Finding the Fourth Proportional to 760,138.29, 1,048,990.77 and 415,974.29

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Solution

The fourth proportional to 760,138.29, 1,048,990.77 and 415,974.29 is: 574,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,138.29 : 1,048,990.77 = 415,974.29 : x
  2. Step 2: Convert to fraction form
    760,138.29/1,048,990.77 = 415,974.29/x
  3. Step 3: Cross multiply
    760,138.29x = 1,048,990.77 × 415,974.29
  4. Step 4: Simplify right side
    760,138.29x = 436,353,185,522.35
  5. Step 5: Solve for x
    x = 436,353,185,522.35/760,138.29
  6. Step 6: Final answer
    x = 574,044.47

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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.