Home / 750,836.88-1,036,155.08-411,317.20

Finding the Fourth Proportional to 750,836.88, 1,036,155.08 and 411,317.20

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Solution

The fourth proportional to 750,836.88, 1,036,155.08 and 411,317.20 is: 567,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,836.88 : 1,036,155.08 = 411,317.20 : x
  2. Step 2: Convert to fraction form
    750,836.88/1,036,155.08 = 411,317.20/x
  3. Step 3: Cross multiply
    750,836.88x = 1,036,155.08 × 411,317.20
  4. Step 4: Simplify right side
    750,836.88x = 426,188,406,271.38
  5. Step 5: Solve for x
    x = 426,188,406,271.38/750,836.88
  6. Step 6: Final answer
    x = 567,617.84

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Double scale
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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.