Home / 962,985.32-1,444,759.22-430,381.81

Finding the Fourth Proportional to 962,985.32, 1,444,759.22 and 430,381.81

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Solution

The fourth proportional to 962,985.32, 1,444,759.22 and 430,381.81 is: 645,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,985.32 : 1,444,759.22 = 430,381.81 : x
  2. Step 2: Convert to fraction form
    962,985.32/1,444,759.22 = 430,381.81/x
  3. Step 3: Cross multiply
    962,985.32x = 1,444,759.22 × 430,381.81
  4. Step 4: Simplify right side
    962,985.32x = 621,798,085,581.85
  5. Step 5: Solve for x
    x = 621,798,085,581.85/962,985.32
  6. Step 6: Final answer
    x = 645,698.40

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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.