Home / 965,878.40-1,448,234.40-433,300.16

Finding the Fourth Proportional to 965,878.40, 1,448,234.40 and 433,300.16

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Solution

The fourth proportional to 965,878.40, 1,448,234.40 and 433,300.16 is: 649,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,878.40 : 1,448,234.40 = 433,300.16 : x
  2. Step 2: Convert to fraction form
    965,878.40/1,448,234.40 = 433,300.16/x
  3. Step 3: Cross multiply
    965,878.40x = 1,448,234.40 × 433,300.16
  4. Step 4: Simplify right side
    965,878.40x = 627,520,197,237.50
  5. Step 5: Solve for x
    x = 627,520,197,237.50/965,878.40
  6. Step 6: Final answer
    x = 649,688.61

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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.