Home / 740,803.32-1,022,310-401,271.84

Finding the Fourth Proportional to 740,803.32, 1,022,310 and 401,271.84

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Solution

The fourth proportional to 740,803.32, 1,022,310 and 401,271.84 is: 553,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,803.32 : 1,022,310 = 401,271.84 : x
  2. Step 2: Convert to fraction form
    740,803.32/1,022,310 = 401,271.84/x
  3. Step 3: Cross multiply
    740,803.32x = 1,022,310 × 401,271.84
  4. Step 4: Simplify right side
    740,803.32x = 410,224,214,750.40
  5. Step 5: Solve for x
    x = 410,224,214,750.40/740,803.32
  6. Step 6: Final answer
    x = 553,755.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.