Home / 756,307.64-1,043,699.56-416,776.16

Finding the Fourth Proportional to 756,307.64, 1,043,699.56 and 416,776.16

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Solution

The fourth proportional to 756,307.64, 1,043,699.56 and 416,776.16 is: 575,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,307.64 : 1,043,699.56 = 416,776.16 : x
  2. Step 2: Convert to fraction form
    756,307.64/1,043,699.56 = 416,776.16/x
  3. Step 3: Cross multiply
    756,307.64x = 1,043,699.56 × 416,776.16
  4. Step 4: Simplify right side
    756,307.64x = 434,989,088,550.05
  5. Step 5: Solve for x
    x = 434,989,088,550.05/756,307.64
  6. Step 6: Final answer
    x = 575,148.35

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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.