Home / 830,669.07-1,146,323.77-448,695.85

Finding the Fourth Proportional to 830,669.07, 1,146,323.77 and 448,695.85

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Solution

The fourth proportional to 830,669.07, 1,146,323.77 and 448,695.85 is: 619,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,669.07 : 1,146,323.77 = 448,695.85 : x
  2. Step 2: Convert to fraction form
    830,669.07/1,146,323.77 = 448,695.85/x
  3. Step 3: Cross multiply
    830,669.07x = 1,146,323.77 × 448,695.85
  4. Step 4: Simplify right side
    830,669.07x = 514,350,718,355.36
  5. Step 5: Solve for x
    x = 514,350,718,355.36/830,669.07
  6. Step 6: Final answer
    x = 619,200.52

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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.