Home / 780,669.61-1,077,274.20-436,533.93

Finding the Fourth Proportional to 780,669.61, 1,077,274.20 and 436,533.93

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Solution

The fourth proportional to 780,669.61, 1,077,274.20 and 436,533.93 is: 602,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,669.61 : 1,077,274.20 = 436,533.93 : x
  2. Step 2: Convert to fraction form
    780,669.61/1,077,274.20 = 436,533.93/x
  3. Step 3: Cross multiply
    780,669.61x = 1,077,274.20 × 436,533.93
  4. Step 4: Simplify right side
    780,669.61x = 470,266,740,213.61
  5. Step 5: Solve for x
    x = 470,266,740,213.61/780,669.61
  6. Step 6: Final answer
    x = 602,388.94

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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.