Home / 698,803.60-1,048,205.40-692,582.80

Finding the Fourth Proportional to 698,803.60, 1,048,205.40 and 692,582.80

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Solution

The fourth proportional to 698,803.60, 1,048,205.40 and 692,582.80 is: 1,038,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,803.60 : 1,048,205.40 = 692,582.80 : x
  2. Step 2: Convert to fraction form
    698,803.60/1,048,205.40 = 692,582.80/x
  3. Step 3: Cross multiply
    698,803.60x = 1,048,205.40 × 692,582.80
  4. Step 4: Simplify right side
    698,803.60x = 725,969,030,907.12
  5. Step 5: Solve for x
    x = 725,969,030,907.12/698,803.60
  6. Step 6: Final answer
    x = 1,038,874.20

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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.