Home / 694,741.72-1,041,405.18-315,931.36

Finding the Fourth Proportional to 694,741.72, 1,041,405.18 and 315,931.36

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Solution

The fourth proportional to 694,741.72, 1,041,405.18 and 315,931.36 is: 473,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,741.72 : 1,041,405.18 = 315,931.36 : x
  2. Step 2: Convert to fraction form
    694,741.72/1,041,405.18 = 315,931.36/x
  3. Step 3: Cross multiply
    694,741.72x = 1,041,405.18 × 315,931.36
  4. Step 4: Simplify right side
    694,741.72x = 329,012,554,828.45
  5. Step 5: Solve for x
    x = 329,012,554,828.45/694,741.72
  6. Step 6: Final answer
    x = 473,575.35

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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.