Home / 560,131.56-772,973.76-305,482.68

Finding the Fourth Proportional to 560,131.56, 772,973.76 and 305,482.68

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Solution

The fourth proportional to 560,131.56, 772,973.76 and 305,482.68 is: 421,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,131.56 : 772,973.76 = 305,482.68 : x
  2. Step 2: Convert to fraction form
    560,131.56/772,973.76 = 305,482.68/x
  3. Step 3: Cross multiply
    560,131.56x = 772,973.76 × 305,482.68
  4. Step 4: Simplify right side
    560,131.56x = 236,130,095,774.48
  5. Step 5: Solve for x
    x = 236,130,095,774.48/560,131.56
  6. Step 6: Final answer
    x = 421,561.85

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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.