Home / 913,111.59-1,369,854.20-313,994.94

Finding the Fourth Proportional to 913,111.59, 1,369,854.20 and 313,994.94

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Solution

The fourth proportional to 913,111.59, 1,369,854.20 and 313,994.94 is: 471,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,111.59 : 1,369,854.20 = 313,994.94 : x
  2. Step 2: Convert to fraction form
    913,111.59/1,369,854.20 = 313,994.94/x
  3. Step 3: Cross multiply
    913,111.59x = 1,369,854.20 × 313,994.94
  4. Step 4: Simplify right side
    913,111.59x = 430,127,289,192.41
  5. Step 5: Solve for x
    x = 430,127,289,192.41/913,111.59
  6. Step 6: Final answer
    x = 471,056.65

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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.