Home / 760,638.73-1,049,679.66-438,346.03

Finding the Fourth Proportional to 760,638.73, 1,049,679.66 and 438,346.03

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Solution

The fourth proportional to 760,638.73, 1,049,679.66 and 438,346.03 is: 604,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,638.73 : 1,049,679.66 = 438,346.03 : x
  2. Step 2: Convert to fraction form
    760,638.73/1,049,679.66 = 438,346.03/x
  3. Step 3: Cross multiply
    760,638.73x = 1,049,679.66 × 438,346.03
  4. Step 4: Simplify right side
    760,638.73x = 460,122,911,732.75
  5. Step 5: Solve for x
    x = 460,122,911,732.75/760,638.73
  6. Step 6: Final answer
    x = 604,916.49

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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.