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Finding the Fourth Proportional to 540,287.15, 745,598.57 and 295,276.91

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Solution

The fourth proportional to 540,287.15, 745,598.57 and 295,276.91 is: 407,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,287.15 : 745,598.57 = 295,276.91 : x
  2. Step 2: Convert to fraction form
    540,287.15/745,598.57 = 295,276.91/x
  3. Step 3: Cross multiply
    540,287.15x = 745,598.57 × 295,276.91
  4. Step 4: Simplify right side
    540,287.15x = 220,158,036,645.64
  5. Step 5: Solve for x
    x = 220,158,036,645.64/540,287.15
  6. Step 6: Final answer
    x = 407,483.39

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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.