Home / 830,646.40-1,146,292.07-448,673.18

Finding the Fourth Proportional to 830,646.40, 1,146,292.07 and 448,673.18

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Solution

The fourth proportional to 830,646.40, 1,146,292.07 and 448,673.18 is: 619,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,646.40 : 1,146,292.07 = 448,673.18 : x
  2. Step 2: Convert to fraction form
    830,646.40/1,146,292.07 = 448,673.18/x
  3. Step 3: Cross multiply
    830,646.40x = 1,146,292.07 × 448,673.18
  4. Step 4: Simplify right side
    830,646.40x = 514,310,512,243.10
  5. Step 5: Solve for x
    x = 514,310,512,243.10/830,646.40
  6. Step 6: Final answer
    x = 619,169.02

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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.