Home / 571,642.16-788,913.48-317,075.60

Finding the Fourth Proportional to 571,642.16, 788,913.48 and 317,075.60

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Solution

The fourth proportional to 571,642.16, 788,913.48 and 317,075.60 is: 437,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,642.16 : 788,913.48 = 317,075.60 : x
  2. Step 2: Convert to fraction form
    571,642.16/788,913.48 = 317,075.60/x
  3. Step 3: Cross multiply
    571,642.16x = 788,913.48 × 317,075.60
  4. Step 4: Simplify right side
    571,642.16x = 250,145,215,019.09
  5. Step 5: Solve for x
    x = 250,145,215,019.09/571,642.16
  6. Step 6: Final answer
    x = 437,590.56

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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.