Home / 670,579.73-925,424.36-384,155.18

Finding the Fourth Proportional to 670,579.73, 925,424.36 and 384,155.18

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Solution

The fourth proportional to 670,579.73, 925,424.36 and 384,155.18 is: 530,148.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,579.73 : 925,424.36 = 384,155.18 : x
  2. Step 2: Convert to fraction form
    670,579.73/925,424.36 = 384,155.18/x
  3. Step 3: Cross multiply
    670,579.73x = 925,424.36 × 384,155.18
  4. Step 4: Simplify right side
    670,579.73x = 355,506,557,925.45
  5. Step 5: Solve for x
    x = 355,506,557,925.45/670,579.73
  6. Step 6: Final answer
    x = 530,148.08

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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.