Home / 770,145.67-1,154,090.71-433,841.77

Finding the Fourth Proportional to 770,145.67, 1,154,090.71 and 433,841.77

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Solution

The fourth proportional to 770,145.67, 1,154,090.71 and 433,841.77 is: 650,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,145.67 : 1,154,090.71 = 433,841.77 : x
  2. Step 2: Convert to fraction form
    770,145.67/1,154,090.71 = 433,841.77/x
  3. Step 3: Cross multiply
    770,145.67x = 1,154,090.71 × 433,841.77
  4. Step 4: Simplify right side
    770,145.67x = 500,692,756,366.96
  5. Step 5: Solve for x
    x = 500,692,756,366.96/770,145.67
  6. Step 6: Final answer
    x = 650,127.34

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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.