Home / 746,035.53-1,119,384.06-390,965.14

Finding the Fourth Proportional to 746,035.53, 1,119,384.06 and 390,965.14

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Solution

The fourth proportional to 746,035.53, 1,119,384.06 and 390,965.14 is: 586,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,035.53 : 1,119,384.06 = 390,965.14 : x
  2. Step 2: Convert to fraction form
    746,035.53/1,119,384.06 = 390,965.14/x
  3. Step 3: Cross multiply
    746,035.53x = 1,119,384.06 × 390,965.14
  4. Step 4: Simplify right side
    746,035.53x = 437,640,145,731.67
  5. Step 5: Solve for x
    x = 437,640,145,731.67/746,035.53
  6. Step 6: Final answer
    x = 586,621.05

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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.