Home / 877,688.56-1,211,203.26-475,280.56

Finding the Fourth Proportional to 877,688.56, 1,211,203.26 and 475,280.56

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Solution

The fourth proportional to 877,688.56, 1,211,203.26 and 475,280.56 is: 655,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,688.56 : 1,211,203.26 = 475,280.56 : x
  2. Step 2: Convert to fraction form
    877,688.56/1,211,203.26 = 475,280.56/x
  3. Step 3: Cross multiply
    877,688.56x = 1,211,203.26 × 475,280.56
  4. Step 4: Simplify right side
    877,688.56x = 575,661,363,686.63
  5. Step 5: Solve for x
    x = 575,661,363,686.63/877,688.56
  6. Step 6: Final answer
    x = 655,883.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.