Home / 770,145.42-1,154,090.34-433,841.52

Finding the Fourth Proportional to 770,145.42, 1,154,090.34 and 433,841.52

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Solution

The fourth proportional to 770,145.42, 1,154,090.34 and 433,841.52 is: 650,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,145.42 : 1,154,090.34 = 433,841.52 : x
  2. Step 2: Convert to fraction form
    770,145.42/1,154,090.34 = 433,841.52/x
  3. Step 3: Cross multiply
    770,145.42x = 1,154,090.34 × 433,841.52
  4. Step 4: Simplify right side
    770,145.42x = 500,692,307,322.92
  5. Step 5: Solve for x
    x = 500,692,307,322.92/770,145.42
  6. Step 6: Final answer
    x = 650,126.97

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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.