Home / 710,632.80-1,065,949.20-473,205.60

Finding the Fourth Proportional to 710,632.80, 1,065,949.20 and 473,205.60

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Solution

The fourth proportional to 710,632.80, 1,065,949.20 and 473,205.60 is: 709,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,632.80 : 1,065,949.20 = 473,205.60 : x
  2. Step 2: Convert to fraction form
    710,632.80/1,065,949.20 = 473,205.60/x
  3. Step 3: Cross multiply
    710,632.80x = 1,065,949.20 × 473,205.60
  4. Step 4: Simplify right side
    710,632.80x = 504,413,130,755.52
  5. Step 5: Solve for x
    x = 504,413,130,755.52/710,632.80
  6. Step 6: Final answer
    x = 709,808.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.