Home / 946,707.93-1,420,074.45-315,621.96

Finding the Fourth Proportional to 946,707.93, 1,420,074.45 and 315,621.96

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Solution

The fourth proportional to 946,707.93, 1,420,074.45 and 315,621.96 is: 473,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,707.93 : 1,420,074.45 = 315,621.96 : x
  2. Step 2: Convert to fraction form
    946,707.93/1,420,074.45 = 315,621.96/x
  3. Step 3: Cross multiply
    946,707.93x = 1,420,074.45 × 315,621.96
  4. Step 4: Simplify right side
    946,707.93x = 448,206,681,254.92
  5. Step 5: Solve for x
    x = 448,206,681,254.92/946,707.93
  6. Step 6: Final answer
    x = 473,437.13

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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.