Home / 903,904.10-1,247,384.19-496,012.76

Finding the Fourth Proportional to 903,904.10, 1,247,384.19 and 496,012.76

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Solution

The fourth proportional to 903,904.10, 1,247,384.19 and 496,012.76 is: 684,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,904.10 : 1,247,384.19 = 496,012.76 : x
  2. Step 2: Convert to fraction form
    903,904.10/1,247,384.19 = 496,012.76/x
  3. Step 3: Cross multiply
    903,904.10x = 1,247,384.19 × 496,012.76
  4. Step 4: Simplify right side
    903,904.10x = 618,718,468,625.34
  5. Step 5: Solve for x
    x = 618,718,468,625.34/903,904.10
  6. Step 6: Final answer
    x = 684,495.70

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Double scale
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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.