Home / 779,173.88-1,075,276.74-430,313.22

Finding the Fourth Proportional to 779,173.88, 1,075,276.74 and 430,313.22

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Solution

The fourth proportional to 779,173.88, 1,075,276.74 and 430,313.22 is: 593,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,173.88 : 1,075,276.74 = 430,313.22 : x
  2. Step 2: Convert to fraction form
    779,173.88/1,075,276.74 = 430,313.22/x
  3. Step 3: Cross multiply
    779,173.88x = 1,075,276.74 × 430,313.22
  4. Step 4: Simplify right side
    779,173.88x = 462,705,796,380.50
  5. Step 5: Solve for x
    x = 462,705,796,380.50/779,173.88
  6. Step 6: Final answer
    x = 593,841.51

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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.