Home / 698,988.96-1,048,484.56-299,598.48

Finding the Fourth Proportional to 698,988.96, 1,048,484.56 and 299,598.48

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Solution

The fourth proportional to 698,988.96, 1,048,484.56 and 299,598.48 is: 449,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,988.96 : 1,048,484.56 = 299,598.48 : x
  2. Step 2: Convert to fraction form
    698,988.96/1,048,484.56 = 299,598.48/x
  3. Step 3: Cross multiply
    698,988.96x = 1,048,484.56 × 299,598.48
  4. Step 4: Simplify right side
    698,988.96x = 314,124,380,479.47
  5. Step 5: Solve for x
    x = 314,124,380,479.47/698,988.96
  6. Step 6: Final answer
    x = 449,398.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.