Home / 423,215.12-583,309.52-403,284.24

Finding the Fourth Proportional to 423,215.12, 583,309.52 and 403,284.24

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Solution

The fourth proportional to 423,215.12, 583,309.52 and 403,284.24 is: 555,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,215.12 : 583,309.52 = 403,284.24 : x
  2. Step 2: Convert to fraction form
    423,215.12/583,309.52 = 403,284.24/x
  3. Step 3: Cross multiply
    423,215.12x = 583,309.52 × 403,284.24
  4. Step 4: Simplify right side
    423,215.12x = 235,239,536,457.97
  5. Step 5: Solve for x
    x = 235,239,536,457.97/423,215.12
  6. Step 6: Final answer
    x = 555,839.16

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1.5x scale

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.