Home / 985,730.40-1,360,327.68-555,926.40

Finding the Fourth Proportional to 985,730.40, 1,360,327.68 and 555,926.40

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Solution

The fourth proportional to 985,730.40, 1,360,327.68 and 555,926.40 is: 767,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,730.40 : 1,360,327.68 = 555,926.40 : x
  2. Step 2: Convert to fraction form
    985,730.40/1,360,327.68 = 555,926.40/x
  3. Step 3: Cross multiply
    985,730.40x = 1,360,327.68 × 555,926.40
  4. Step 4: Simplify right side
    985,730.40x = 756,242,069,962.75
  5. Step 5: Solve for x
    x = 756,242,069,962.75/985,730.40
  6. Step 6: Final answer
    x = 767,189.56

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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.