Home / 897,278.42-1,346,548.90-811,520.76

Finding the Fourth Proportional to 897,278.42, 1,346,548.90 and 811,520.76

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Solution

The fourth proportional to 897,278.42, 1,346,548.90 and 811,520.76 is: 1,217,852.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,278.42 : 1,346,548.90 = 811,520.76 : x
  2. Step 2: Convert to fraction form
    897,278.42/1,346,548.90 = 811,520.76/x
  3. Step 3: Cross multiply
    897,278.42x = 1,346,548.90 × 811,520.76
  4. Step 4: Simplify right side
    897,278.42x = 1,092,752,386,705.16
  5. Step 5: Solve for x
    x = 1,092,752,386,705.16/897,278.42
  6. Step 6: Final answer
    x = 1,217,852.08

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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.