Home / 751,920.03-1,037,657.70-407,756.63

Finding the Fourth Proportional to 751,920.03, 1,037,657.70 and 407,756.63

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Solution

The fourth proportional to 751,920.03, 1,037,657.70 and 407,756.63 is: 562,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,920.03 : 1,037,657.70 = 407,756.63 : x
  2. Step 2: Convert to fraction form
    751,920.03/1,037,657.70 = 407,756.63/x
  3. Step 3: Cross multiply
    751,920.03x = 1,037,657.70 × 407,756.63
  4. Step 4: Simplify right side
    751,920.03x = 423,111,799,618.48
  5. Step 5: Solve for x
    x = 423,111,799,618.48/751,920.03
  6. Step 6: Final answer
    x = 562,708.51

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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.