Home / 803,435.70-1,205,931.15-488,507.70

Finding the Fourth Proportional to 803,435.70, 1,205,931.15 and 488,507.70

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Solution

The fourth proportional to 803,435.70, 1,205,931.15 and 488,507.70 is: 733,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,435.70 : 1,205,931.15 = 488,507.70 : x
  2. Step 2: Convert to fraction form
    803,435.70/1,205,931.15 = 488,507.70/x
  3. Step 3: Cross multiply
    803,435.70x = 1,205,931.15 × 488,507.70
  4. Step 4: Simplify right side
    803,435.70x = 589,106,652,444.86
  5. Step 5: Solve for x
    x = 589,106,652,444.86/803,435.70
  6. Step 6: Final answer
    x = 733,234.35

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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.