Home / 403,454.98-556,761.63-240,225.40

Finding the Fourth Proportional to 403,454.98, 556,761.63 and 240,225.40

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Solution

The fourth proportional to 403,454.98, 556,761.63 and 240,225.40 is: 331,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,454.98 : 556,761.63 = 240,225.40 : x
  2. Step 2: Convert to fraction form
    403,454.98/556,761.63 = 240,225.40/x
  3. Step 3: Cross multiply
    403,454.98x = 556,761.63 × 240,225.40
  4. Step 4: Simplify right side
    403,454.98x = 133,748,285,271.40
  5. Step 5: Solve for x
    x = 133,748,285,271.40/403,454.98
  6. Step 6: Final answer
    x = 331,507.34

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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.