Home / 780,717.16-1,077,391.64-436,565.58

Finding the Fourth Proportional to 780,717.16, 1,077,391.64 and 436,565.58

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Solution

The fourth proportional to 780,717.16, 1,077,391.64 and 436,565.58 is: 602,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,717.16 : 1,077,391.64 = 436,565.58 : x
  2. Step 2: Convert to fraction form
    780,717.16/1,077,391.64 = 436,565.58/x
  3. Step 3: Cross multiply
    780,717.16x = 1,077,391.64 × 436,565.58
  4. Step 4: Simplify right side
    780,717.16x = 470,352,106,203.75
  5. Step 5: Solve for x
    x = 470,352,106,203.75/780,717.16
  6. Step 6: Final answer
    x = 602,461.60

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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.