Home / 832,479.38-1,148,821.47-450,506.15

Finding the Fourth Proportional to 832,479.38, 1,148,821.47 and 450,506.15

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Solution

The fourth proportional to 832,479.38, 1,148,821.47 and 450,506.15 is: 621,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,479.38 : 1,148,821.47 = 450,506.15 : x
  2. Step 2: Convert to fraction form
    832,479.38/1,148,821.47 = 450,506.15/x
  3. Step 3: Cross multiply
    832,479.38x = 1,148,821.47 × 450,506.15
  4. Step 4: Simplify right side
    832,479.38x = 517,551,137,487.04
  5. Step 5: Solve for x
    x = 517,551,137,487.04/832,479.38
  6. Step 6: Final answer
    x = 621,698.45

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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.