Home / 723,330.65-1,085,041.07-190,852.19

Finding the Fourth Proportional to 723,330.65, 1,085,041.07 and 190,852.19

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Solution

The fourth proportional to 723,330.65, 1,085,041.07 and 190,852.19 is: 286,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,330.65 : 1,085,041.07 = 190,852.19 : x
  2. Step 2: Convert to fraction form
    723,330.65/1,085,041.07 = 190,852.19/x
  3. Step 3: Cross multiply
    723,330.65x = 1,085,041.07 × 190,852.19
  4. Step 4: Simplify right side
    723,330.65x = 207,082,458,069.98
  5. Step 5: Solve for x
    x = 207,082,458,069.98/723,330.65
  6. Step 6: Final answer
    x = 286,290.18

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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.