Home / 772,606.12-1,159,075.26-260,322.16

Finding the Fourth Proportional to 772,606.12, 1,159,075.26 and 260,322.16

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Solution

The fourth proportional to 772,606.12, 1,159,075.26 and 260,322.16 is: 390,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,606.12 : 1,159,075.26 = 260,322.16 : x
  2. Step 2: Convert to fraction form
    772,606.12/1,159,075.26 = 260,322.16/x
  3. Step 3: Cross multiply
    772,606.12x = 1,159,075.26 × 260,322.16
  4. Step 4: Simplify right side
    772,606.12x = 301,732,975,285.76
  5. Step 5: Solve for x
    x = 301,732,975,285.76/772,606.12
  6. Step 6: Final answer
    x = 390,539.20

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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.