Home / 722,477.80-1,083,716.70-470,535.40

Finding the Fourth Proportional to 722,477.80, 1,083,716.70 and 470,535.40

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Solution

The fourth proportional to 722,477.80, 1,083,716.70 and 470,535.40 is: 705,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,477.80 : 1,083,716.70 = 470,535.40 : x
  2. Step 2: Convert to fraction form
    722,477.80/1,083,716.70 = 470,535.40/x
  3. Step 3: Cross multiply
    722,477.80x = 1,083,716.70 × 470,535.40
  4. Step 4: Simplify right side
    722,477.80x = 509,927,070,921.18
  5. Step 5: Solve for x
    x = 509,927,070,921.18/722,477.80
  6. Step 6: Final answer
    x = 705,803.10

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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.