Home / 921,503.68-1,382,325.60-314,103.36

Finding the Fourth Proportional to 921,503.68, 1,382,325.60 and 314,103.36

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Solution

The fourth proportional to 921,503.68, 1,382,325.60 and 314,103.36 is: 471,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,503.68 : 1,382,325.60 = 314,103.36 : x
  2. Step 2: Convert to fraction form
    921,503.68/1,382,325.60 = 314,103.36/x
  3. Step 3: Cross multiply
    921,503.68x = 1,382,325.60 × 314,103.36
  4. Step 4: Simplify right side
    921,503.68x = 434,193,115,574.02
  5. Step 5: Solve for x
    x = 434,193,115,574.02/921,503.68
  6. Step 6: Final answer
    x = 471,178.93

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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.