Home / 780,718.16-1,077,393.02-436,566.58

Finding the Fourth Proportional to 780,718.16, 1,077,393.02 and 436,566.58

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Solution

The fourth proportional to 780,718.16, 1,077,393.02 and 436,566.58 is: 602,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,718.16 : 1,077,393.02 = 436,566.58 : x
  2. Step 2: Convert to fraction form
    780,718.16/1,077,393.02 = 436,566.58/x
  3. Step 3: Cross multiply
    780,718.16x = 1,077,393.02 × 436,566.58
  4. Step 4: Simplify right side
    780,718.16x = 470,353,786,057.27
  5. Step 5: Solve for x
    x = 470,353,786,057.27/780,718.16
  6. Step 6: Final answer
    x = 602,462.98

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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.