Home / 988,725.12-1,483,528.80-455,960.16

Finding the Fourth Proportional to 988,725.12, 1,483,528.80 and 455,960.16

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Solution

The fourth proportional to 988,725.12, 1,483,528.80 and 455,960.16 is: 684,143.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,725.12 : 1,483,528.80 = 455,960.16 : x
  2. Step 2: Convert to fraction form
    988,725.12/1,483,528.80 = 455,960.16/x
  3. Step 3: Cross multiply
    988,725.12x = 1,483,528.80 × 455,960.16
  4. Step 4: Simplify right side
    988,725.12x = 676,430,029,012.61
  5. Step 5: Solve for x
    x = 676,430,029,012.61/988,725.12
  6. Step 6: Final answer
    x = 684,143.67

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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.