Home / 897,415.70-1,346,998.35-448,643.30

Finding the Fourth Proportional to 897,415.70, 1,346,998.35 and 448,643.30

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Solution

The fourth proportional to 897,415.70, 1,346,998.35 and 448,643.30 is: 673,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,415.70 : 1,346,998.35 = 448,643.30 : x
  2. Step 2: Convert to fraction form
    897,415.70/1,346,998.35 = 448,643.30/x
  3. Step 3: Cross multiply
    897,415.70x = 1,346,998.35 × 448,643.30
  4. Step 4: Simplify right side
    897,415.70x = 604,321,784,838.56
  5. Step 5: Solve for x
    x = 604,321,784,838.56/897,415.70
  6. Step 6: Final answer
    x = 673,402.29

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Double scale
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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.