Home / 719,320.95-1,078,584.06-452,510.58

Finding the Fourth Proportional to 719,320.95, 1,078,584.06 and 452,510.58

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Solution

The fourth proportional to 719,320.95, 1,078,584.06 and 452,510.58 is: 678,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,320.95 : 1,078,584.06 = 452,510.58 : x
  2. Step 2: Convert to fraction form
    719,320.95/1,078,584.06 = 452,510.58/x
  3. Step 3: Cross multiply
    719,320.95x = 1,078,584.06 × 452,510.58
  4. Step 4: Simplify right side
    719,320.95x = 488,070,698,569.36
  5. Step 5: Solve for x
    x = 488,070,698,569.36/719,320.95
  6. Step 6: Final answer
    x = 678,515.90

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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.