Home / 910,981.64-1,257,490.14-548,422.36

Finding the Fourth Proportional to 910,981.64, 1,257,490.14 and 548,422.36

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Solution

The fourth proportional to 910,981.64, 1,257,490.14 and 548,422.36 is: 757,024.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,981.64 : 1,257,490.14 = 548,422.36 : x
  2. Step 2: Convert to fraction form
    910,981.64/1,257,490.14 = 548,422.36/x
  3. Step 3: Cross multiply
    910,981.64x = 1,257,490.14 × 548,422.36
  4. Step 4: Simplify right side
    910,981.64x = 689,635,710,255.53
  5. Step 5: Solve for x
    x = 689,635,710,255.53/910,981.64
  6. Step 6: Final answer
    x = 757,024.82

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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.