Home / 434,025.80-651,038.70-286,281.80

Finding the Fourth Proportional to 434,025.80, 651,038.70 and 286,281.80

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Solution

The fourth proportional to 434,025.80, 651,038.70 and 286,281.80 is: 429,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,025.80 : 651,038.70 = 286,281.80 : x
  2. Step 2: Convert to fraction form
    434,025.80/651,038.70 = 286,281.80/x
  3. Step 3: Cross multiply
    434,025.80x = 651,038.70 × 286,281.80
  4. Step 4: Simplify right side
    434,025.80x = 186,380,530,905.66
  5. Step 5: Solve for x
    x = 186,380,530,905.66/434,025.80
  6. Step 6: Final answer
    x = 429,422.70

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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.