Home / 803,085.37-1,108,237.84-458,899.46

Finding the Fourth Proportional to 803,085.37, 1,108,237.84 and 458,899.46

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Solution

The fourth proportional to 803,085.37, 1,108,237.84 and 458,899.46 is: 633,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,085.37 : 1,108,237.84 = 458,899.46 : x
  2. Step 2: Convert to fraction form
    803,085.37/1,108,237.84 = 458,899.46/x
  3. Step 3: Cross multiply
    803,085.37x = 1,108,237.84 × 458,899.46
  4. Step 4: Simplify right side
    803,085.37x = 508,569,746,327.57
  5. Step 5: Solve for x
    x = 508,569,746,327.57/803,085.37
  6. Step 6: Final answer
    x = 633,269.84

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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.