Home / 832,478.38-1,148,820.09-450,505.15

Finding the Fourth Proportional to 832,478.38, 1,148,820.09 and 450,505.15

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Solution

The fourth proportional to 832,478.38, 1,148,820.09 and 450,505.15 is: 621,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,478.38 : 1,148,820.09 = 450,505.15 : x
  2. Step 2: Convert to fraction form
    832,478.38/1,148,820.09 = 450,505.15/x
  3. Step 3: Cross multiply
    832,478.38x = 1,148,820.09 × 450,505.15
  4. Step 4: Simplify right side
    832,478.38x = 517,549,366,968.46
  5. Step 5: Solve for x
    x = 517,549,366,968.46/832,478.38
  6. Step 6: Final answer
    x = 621,697.07

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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.