Home / 832,489.58-1,148,839.23-450,516.40

Finding the Fourth Proportional to 832,489.58, 1,148,839.23 and 450,516.40

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Solution

The fourth proportional to 832,489.58, 1,148,839.23 and 450,516.40 is: 621,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,489.58 : 1,148,839.23 = 450,516.40 : x
  2. Step 2: Convert to fraction form
    832,489.58/1,148,839.23 = 450,516.40/x
  3. Step 3: Cross multiply
    832,489.58x = 1,148,839.23 × 450,516.40
  4. Step 4: Simplify right side
    832,489.58x = 517,570,912,895.71
  5. Step 5: Solve for x
    x = 517,570,912,895.71/832,489.58
  6. Step 6: Final answer
    x = 621,714.58

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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.