Home / 948,124.81-1,421,408.10-442,435.72

Finding the Fourth Proportional to 948,124.81, 1,421,408.10 and 442,435.72

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Solution

The fourth proportional to 948,124.81, 1,421,408.10 and 442,435.72 is: 663,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,124.81 : 1,421,408.10 = 442,435.72 : x
  2. Step 2: Convert to fraction form
    948,124.81/1,421,408.10 = 442,435.72/x
  3. Step 3: Cross multiply
    948,124.81x = 1,421,408.10 × 442,435.72
  4. Step 4: Simplify right side
    948,124.81x = 628,881,716,137.33
  5. Step 5: Solve for x
    x = 628,881,716,137.33/948,124.81
  6. Step 6: Final answer
    x = 663,290.01

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1.5x scale

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.