Home / 769,501.40-1,154,271.90-364,598.60

Finding the Fourth Proportional to 769,501.40, 1,154,271.90 and 364,598.60

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Solution

The fourth proportional to 769,501.40, 1,154,271.90 and 364,598.60 is: 546,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,501.40 : 1,154,271.90 = 364,598.60 : x
  2. Step 2: Convert to fraction form
    769,501.40/1,154,271.90 = 364,598.60/x
  3. Step 3: Cross multiply
    769,501.40x = 1,154,271.90 × 364,598.60
  4. Step 4: Simplify right side
    769,501.40x = 420,845,918,759.34
  5. Step 5: Solve for x
    x = 420,845,918,759.34/769,501.40
  6. Step 6: Final answer
    x = 546,907.28

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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.