Home / 927,913.84-1,391,529.32-320,547.64

Finding the Fourth Proportional to 927,913.84, 1,391,529.32 and 320,547.64

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Solution

The fourth proportional to 927,913.84, 1,391,529.32 and 320,547.64 is: 480,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,913.84 : 1,391,529.32 = 320,547.64 : x
  2. Step 2: Convert to fraction form
    927,913.84/1,391,529.32 = 320,547.64/x
  3. Step 3: Cross multiply
    927,913.84x = 1,391,529.32 × 320,547.64
  4. Step 4: Simplify right side
    927,913.84x = 446,051,439,516.81
  5. Step 5: Solve for x
    x = 446,051,439,516.81/927,913.84
  6. Step 6: Final answer
    x = 480,703.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.