Home / 535,050.09-738,328.14-305,575.70

Finding the Fourth Proportional to 535,050.09, 738,328.14 and 305,575.70

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Solution

The fourth proportional to 535,050.09, 738,328.14 and 305,575.70 is: 421,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,050.09 : 738,328.14 = 305,575.70 : x
  2. Step 2: Convert to fraction form
    535,050.09/738,328.14 = 305,575.70/x
  3. Step 3: Cross multiply
    535,050.09x = 738,328.14 × 305,575.70
  4. Step 4: Simplify right side
    535,050.09x = 225,615,134,518.56
  5. Step 5: Solve for x
    x = 225,615,134,518.56/535,050.09
  6. Step 6: Final answer
    x = 421,671.05

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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.