Home / 520,282.02-718,080.57-302,558.16

Finding the Fourth Proportional to 520,282.02, 718,080.57 and 302,558.16

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Solution

The fourth proportional to 520,282.02, 718,080.57 and 302,558.16 is: 417,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,282.02 : 718,080.57 = 302,558.16 : x
  2. Step 2: Convert to fraction form
    520,282.02/718,080.57 = 302,558.16/x
  3. Step 3: Cross multiply
    520,282.02x = 718,080.57 × 302,558.16
  4. Step 4: Simplify right side
    520,282.02x = 217,261,135,990.95
  5. Step 5: Solve for x
    x = 217,261,135,990.95/520,282.02
  6. Step 6: Final answer
    x = 417,583.40

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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.