Home / 903,511.40-1,355,392.02-304,643.84

Finding the Fourth Proportional to 903,511.40, 1,355,392.02 and 304,643.84

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Solution

The fourth proportional to 903,511.40, 1,355,392.02 and 304,643.84 is: 457,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,511.40 : 1,355,392.02 = 304,643.84 : x
  2. Step 2: Convert to fraction form
    903,511.40/1,355,392.02 = 304,643.84/x
  3. Step 3: Cross multiply
    903,511.40x = 1,355,392.02 × 304,643.84
  4. Step 4: Simplify right side
    903,511.40x = 412,911,829,678.16
  5. Step 5: Solve for x
    x = 412,911,829,678.16/903,511.40
  6. Step 6: Final answer
    x = 457,007.88

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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.