Home / 897,979.28-1,239,222.88-530,468.51

Finding the Fourth Proportional to 897,979.28, 1,239,222.88 and 530,468.51

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Solution

The fourth proportional to 897,979.28, 1,239,222.88 and 530,468.51 is: 732,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,979.28 : 1,239,222.88 = 530,468.51 : x
  2. Step 2: Convert to fraction form
    897,979.28/1,239,222.88 = 530,468.51/x
  3. Step 3: Cross multiply
    897,979.28x = 1,239,222.88 × 530,468.51
  4. Step 4: Simplify right side
    897,979.28x = 657,368,709,178.48
  5. Step 5: Solve for x
    x = 657,368,709,178.48/897,979.28
  6. Step 6: Final answer
    x = 732,053.32

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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.