Home / 849,528.28-1,172,349.20-462,345.20

Finding the Fourth Proportional to 849,528.28, 1,172,349.20 and 462,345.20

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Solution

The fourth proportional to 849,528.28, 1,172,349.20 and 462,345.20 is: 638,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,528.28 : 1,172,349.20 = 462,345.20 : x
  2. Step 2: Convert to fraction form
    849,528.28/1,172,349.20 = 462,345.20/x
  3. Step 3: Cross multiply
    849,528.28x = 1,172,349.20 × 462,345.20
  4. Step 4: Simplify right side
    849,528.28x = 542,030,025,343.84
  5. Step 5: Solve for x
    x = 542,030,025,343.84/849,528.28
  6. Step 6: Final answer
    x = 638,036.47

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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.