Home / 762,240.12-1,051,815.50-440,054.20

Finding the Fourth Proportional to 762,240.12, 1,051,815.50 and 440,054.20

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Solution

The fourth proportional to 762,240.12, 1,051,815.50 and 440,054.20 is: 607,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,240.12 : 1,051,815.50 = 440,054.20 : x
  2. Step 2: Convert to fraction form
    762,240.12/1,051,815.50 = 440,054.20/x
  3. Step 3: Cross multiply
    762,240.12x = 1,051,815.50 × 440,054.20
  4. Step 4: Simplify right side
    762,240.12x = 462,855,828,400.10
  5. Step 5: Solve for x
    x = 462,855,828,400.10/762,240.12
  6. Step 6: Final answer
    x = 607,231.00

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Double scale
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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.