Home / 903,929.84-1,247,419.68-496,038.56

Finding the Fourth Proportional to 903,929.84, 1,247,419.68 and 496,038.56

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Solution

The fourth proportional to 903,929.84, 1,247,419.68 and 496,038.56 is: 684,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,929.84 : 1,247,419.68 = 496,038.56 : x
  2. Step 2: Convert to fraction form
    903,929.84/1,247,419.68 = 496,038.56/x
  3. Step 3: Cross multiply
    903,929.84x = 1,247,419.68 × 496,038.56
  4. Step 4: Simplify right side
    903,929.84x = 618,768,261,782.86
  5. Step 5: Solve for x
    x = 618,768,261,782.86/903,929.84
  6. Step 6: Final answer
    x = 684,531.29

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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.