Home / 830,750.54-1,146,436.76-448,777.31

Finding the Fourth Proportional to 830,750.54, 1,146,436.76 and 448,777.31

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Solution

The fourth proportional to 830,750.54, 1,146,436.76 and 448,777.31 is: 619,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,750.54 : 1,146,436.76 = 448,777.31 : x
  2. Step 2: Convert to fraction form
    830,750.54/1,146,436.76 = 448,777.31/x
  3. Step 3: Cross multiply
    830,750.54x = 1,146,436.76 × 448,777.31
  4. Step 4: Simplify right side
    830,750.54x = 514,494,809,225.95
  5. Step 5: Solve for x
    x = 514,494,809,225.95/830,750.54
  6. Step 6: Final answer
    x = 619,313.24

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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.