Home / 877,533.30-1,315,911.15-404,363.70

Finding the Fourth Proportional to 877,533.30, 1,315,911.15 and 404,363.70

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Solution

The fourth proportional to 877,533.30, 1,315,911.15 and 404,363.70 is: 606,366.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,533.30 : 1,315,911.15 = 404,363.70 : x
  2. Step 2: Convert to fraction form
    877,533.30/1,315,911.15 = 404,363.70/x
  3. Step 3: Cross multiply
    877,533.30x = 1,315,911.15 × 404,363.70
  4. Step 4: Simplify right side
    877,533.30x = 532,106,701,485.26
  5. Step 5: Solve for x
    x = 532,106,701,485.26/877,533.30
  6. Step 6: Final answer
    x = 606,366.39

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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.