Home / 712,917.74-1,069,056.93-424,865.40

Finding the Fourth Proportional to 712,917.74, 1,069,056.93 and 424,865.40

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Solution

The fourth proportional to 712,917.74, 1,069,056.93 and 424,865.40 is: 637,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,917.74 : 1,069,056.93 = 424,865.40 : x
  2. Step 2: Convert to fraction form
    712,917.74/1,069,056.93 = 424,865.40/x
  3. Step 3: Cross multiply
    712,917.74x = 1,069,056.93 × 424,865.40
  4. Step 4: Simplify right side
    712,917.74x = 454,205,298,062.90
  5. Step 5: Solve for x
    x = 454,205,298,062.90/712,917.74
  6. Step 6: Final answer
    x = 637,107.59

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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.