Home / 948,155.42-1,421,568.63-349,038.52

Finding the Fourth Proportional to 948,155.42, 1,421,568.63 and 349,038.52

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Solution

The fourth proportional to 948,155.42, 1,421,568.63 and 349,038.52 is: 523,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,155.42 : 1,421,568.63 = 349,038.52 : x
  2. Step 2: Convert to fraction form
    948,155.42/1,421,568.63 = 349,038.52/x
  3. Step 3: Cross multiply
    948,155.42x = 1,421,568.63 × 349,038.52
  4. Step 4: Simplify right side
    948,155.42x = 496,182,207,139.71
  5. Step 5: Solve for x
    x = 496,182,207,139.71/948,155.42
  6. Step 6: Final answer
    x = 523,313.16

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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.