Home / 501,252.48-691,727.04-286,459.20

Finding the Fourth Proportional to 501,252.48, 691,727.04 and 286,459.20

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Solution

The fourth proportional to 501,252.48, 691,727.04 and 286,459.20 is: 395,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,252.48 : 691,727.04 = 286,459.20 : x
  2. Step 2: Convert to fraction form
    501,252.48/691,727.04 = 286,459.20/x
  3. Step 3: Cross multiply
    501,252.48x = 691,727.04 × 286,459.20
  4. Step 4: Simplify right side
    501,252.48x = 198,151,574,496.77
  5. Step 5: Solve for x
    x = 198,151,574,496.77/501,252.48
  6. Step 6: Final answer
    x = 395,312.91

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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.