Home / 903,900.03-1,247,378.59-496,008.69

Finding the Fourth Proportional to 903,900.03, 1,247,378.59 and 496,008.69

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Solution

The fourth proportional to 903,900.03, 1,247,378.59 and 496,008.69 is: 684,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,900.03 : 1,247,378.59 = 496,008.69 : x
  2. Step 2: Convert to fraction form
    903,900.03/1,247,378.59 = 496,008.69/x
  3. Step 3: Cross multiply
    903,900.03x = 1,247,378.59 × 496,008.69
  4. Step 4: Simplify right side
    903,900.03x = 618,710,624,718.42
  5. Step 5: Solve for x
    x = 618,710,624,718.42/903,900.03
  6. Step 6: Final answer
    x = 684,490.11

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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.