Home / 783,451.20-1,175,522.40-362,510.40

Finding the Fourth Proportional to 783,451.20, 1,175,522.40 and 362,510.40

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Solution

The fourth proportional to 783,451.20, 1,175,522.40 and 362,510.40 is: 543,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,451.20 : 1,175,522.40 = 362,510.40 : x
  2. Step 2: Convert to fraction form
    783,451.20/1,175,522.40 = 362,510.40/x
  3. Step 3: Cross multiply
    783,451.20x = 1,175,522.40 × 362,510.40
  4. Step 4: Simplify right side
    783,451.20x = 426,139,095,432.96
  5. Step 5: Solve for x
    x = 426,139,095,432.96/783,451.20
  6. Step 6: Final answer
    x = 543,925.51

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1.5x scale

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.