Home / 825,345.53-1,138,962.40-462,768.27

Finding the Fourth Proportional to 825,345.53, 1,138,962.40 and 462,768.27

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Solution

The fourth proportional to 825,345.53, 1,138,962.40 and 462,768.27 is: 638,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,345.53 : 1,138,962.40 = 462,768.27 : x
  2. Step 2: Convert to fraction form
    825,345.53/1,138,962.40 = 462,768.27/x
  3. Step 3: Cross multiply
    825,345.53x = 1,138,962.40 × 462,768.27
  4. Step 4: Simplify right side
    825,345.53x = 527,075,651,434.40
  5. Step 5: Solve for x
    x = 527,075,651,434.40/825,345.53
  6. Step 6: Final answer
    x = 638,612.11

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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.