Home / 670,579.95-925,424.66-384,155.39

Finding the Fourth Proportional to 670,579.95, 925,424.66 and 384,155.39

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Solution

The fourth proportional to 670,579.95, 925,424.66 and 384,155.39 is: 530,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,579.95 : 925,424.66 = 384,155.39 : x
  2. Step 2: Convert to fraction form
    670,579.95/925,424.66 = 384,155.39/x
  3. Step 3: Cross multiply
    670,579.95x = 925,424.66 × 384,155.39
  4. Step 4: Simplify right side
    670,579.95x = 355,506,871,177.92
  5. Step 5: Solve for x
    x = 355,506,871,177.92/670,579.95
  6. Step 6: Final answer
    x = 530,148.38

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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.