Home / 830,417.27-1,145,975.81-448,444.04

Finding the Fourth Proportional to 830,417.27, 1,145,975.81 and 448,444.04

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Solution

The fourth proportional to 830,417.27, 1,145,975.81 and 448,444.04 is: 618,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,417.27 : 1,145,975.81 = 448,444.04 : x
  2. Step 2: Convert to fraction form
    830,417.27/1,145,975.81 = 448,444.04/x
  3. Step 3: Cross multiply
    830,417.27x = 1,145,975.81 × 448,444.04
  4. Step 4: Simplify right side
    830,417.27x = 513,906,014,006.57
  5. Step 5: Solve for x
    x = 513,906,014,006.57/830,417.27
  6. Step 6: Final answer
    x = 618,852.76

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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.