Home / 760,135.56-1,048,915.66-514,620.90

Finding the Fourth Proportional to 760,135.56, 1,048,915.66 and 514,620.90

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Solution

The fourth proportional to 760,135.56, 1,048,915.66 and 514,620.90 is: 710,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,135.56 : 1,048,915.66 = 514,620.90 : x
  2. Step 2: Convert to fraction form
    760,135.56/1,048,915.66 = 514,620.90/x
  3. Step 3: Cross multiply
    760,135.56x = 1,048,915.66 × 514,620.90
  4. Step 4: Simplify right side
    760,135.56x = 539,793,920,973.29
  5. Step 5: Solve for x
    x = 539,793,920,973.29/760,135.56
  6. Step 6: Final answer
    x = 710,128.49

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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.