Home / 698,705.40-1,048,279.64-249,416.62

Finding the Fourth Proportional to 698,705.40, 1,048,279.64 and 249,416.62

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Solution

The fourth proportional to 698,705.40, 1,048,279.64 and 249,416.62 is: 374,204.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,705.40 : 1,048,279.64 = 249,416.62 : x
  2. Step 2: Convert to fraction form
    698,705.40/1,048,279.64 = 249,416.62/x
  3. Step 3: Cross multiply
    698,705.40x = 1,048,279.64 × 249,416.62
  4. Step 4: Simplify right side
    698,705.40x = 261,458,364,623.62
  5. Step 5: Solve for x
    x = 261,458,364,623.62/698,705.40
  6. Step 6: Final answer
    x = 374,204.01

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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.