Home / 750,466.25-1,035,643.76-406,302.18

Finding the Fourth Proportional to 750,466.25, 1,035,643.76 and 406,302.18

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Solution

The fourth proportional to 750,466.25, 1,035,643.76 and 406,302.18 is: 560,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,466.25 : 1,035,643.76 = 406,302.18 : x
  2. Step 2: Convert to fraction form
    750,466.25/1,035,643.76 = 406,302.18/x
  3. Step 3: Cross multiply
    750,466.25x = 1,035,643.76 × 406,302.18
  4. Step 4: Simplify right side
    750,466.25x = 420,784,312,999.86
  5. Step 5: Solve for x
    x = 420,784,312,999.86/750,466.25
  6. Step 6: Final answer
    x = 560,697.18

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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.