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Finding the Fourth Proportional to 540,008.04, 745,206.44 and 298,307.48

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Solution

The fourth proportional to 540,008.04, 745,206.44 and 298,307.48 is: 411,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,008.04 : 745,206.44 = 298,307.48 : x
  2. Step 2: Convert to fraction form
    540,008.04/745,206.44 = 298,307.48/x
  3. Step 3: Cross multiply
    540,008.04x = 745,206.44 × 298,307.48
  4. Step 4: Simplify right side
    540,008.04x = 222,300,655,196.17
  5. Step 5: Solve for x
    x = 222,300,655,196.17/540,008.04
  6. Step 6: Final answer
    x = 411,661.75

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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.