Home / 830,446.04-1,146,015.54-448,472.82

Finding the Fourth Proportional to 830,446.04, 1,146,015.54 and 448,472.82

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Solution

The fourth proportional to 830,446.04, 1,146,015.54 and 448,472.82 is: 618,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,446.04 : 1,146,015.54 = 448,472.82 : x
  2. Step 2: Convert to fraction form
    830,446.04/1,146,015.54 = 448,472.82/x
  3. Step 3: Cross multiply
    830,446.04x = 1,146,015.54 × 448,472.82
  4. Step 4: Simplify right side
    830,446.04x = 513,956,820,987.62
  5. Step 5: Solve for x
    x = 513,956,820,987.62/830,446.04
  6. Step 6: Final answer
    x = 618,892.50

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1.5x scale

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.