Home / 784,921.50-1,177,557.75-286,285.50

Finding the Fourth Proportional to 784,921.50, 1,177,557.75 and 286,285.50

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Solution

The fourth proportional to 784,921.50, 1,177,557.75 and 286,285.50 is: 429,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,921.50 : 1,177,557.75 = 286,285.50 : x
  2. Step 2: Convert to fraction form
    784,921.50/1,177,557.75 = 286,285.50/x
  3. Step 3: Cross multiply
    784,921.50x = 1,177,557.75 × 286,285.50
  4. Step 4: Simplify right side
    784,921.50x = 337,117,709,237.63
  5. Step 5: Solve for x
    x = 337,117,709,237.63/784,921.50
  6. Step 6: Final answer
    x = 429,492.26

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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.