Home / 750,556.34-1,035,763.40-406,385.16

Finding the Fourth Proportional to 750,556.34, 1,035,763.40 and 406,385.16

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Solution

The fourth proportional to 750,556.34, 1,035,763.40 and 406,385.16 is: 560,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,556.34 : 1,035,763.40 = 406,385.16 : x
  2. Step 2: Convert to fraction form
    750,556.34/1,035,763.40 = 406,385.16/x
  3. Step 3: Cross multiply
    750,556.34x = 1,035,763.40 × 406,385.16
  4. Step 4: Simplify right side
    750,556.34x = 420,918,872,999.22
  5. Step 5: Solve for x
    x = 420,918,872,999.22/750,556.34
  6. Step 6: Final answer
    x = 560,809.17

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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.