Home / 587,918.02-811,303.33-346,210.78

Finding the Fourth Proportional to 587,918.02, 811,303.33 and 346,210.78

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Solution

The fourth proportional to 587,918.02, 811,303.33 and 346,210.78 is: 477,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,918.02 : 811,303.33 = 346,210.78 : x
  2. Step 2: Convert to fraction form
    587,918.02/811,303.33 = 346,210.78/x
  3. Step 3: Cross multiply
    587,918.02x = 811,303.33 × 346,210.78
  4. Step 4: Simplify right side
    587,918.02x = 280,881,958,695.90
  5. Step 5: Solve for x
    x = 280,881,958,695.90/587,918.02
  6. Step 6: Final answer
    x = 477,757.02

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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.