Home / 830,055.61-1,146,005.63-677,457.80

Finding the Fourth Proportional to 830,055.61, 1,146,005.63 and 677,457.80

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Solution

The fourth proportional to 830,055.61, 1,146,005.63 and 677,457.80 is: 935,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,055.61 : 1,146,005.63 = 677,457.80 : x
  2. Step 2: Convert to fraction form
    830,055.61/1,146,005.63 = 677,457.80/x
  3. Step 3: Cross multiply
    830,055.61x = 1,146,005.63 × 677,457.80
  4. Step 4: Simplify right side
    830,055.61x = 776,370,452,887.41
  5. Step 5: Solve for x
    x = 776,370,452,887.41/830,055.61
  6. Step 6: Final answer
    x = 935,323.42

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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.