Home / 776,582.12-1,072,013.97-522,080.93

Finding the Fourth Proportional to 776,582.12, 1,072,013.97 and 522,080.93

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Solution

The fourth proportional to 776,582.12, 1,072,013.97 and 522,080.93 is: 720,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,582.12 : 1,072,013.97 = 522,080.93 : x
  2. Step 2: Convert to fraction form
    776,582.12/1,072,013.97 = 522,080.93/x
  3. Step 3: Cross multiply
    776,582.12x = 1,072,013.97 × 522,080.93
  4. Step 4: Simplify right side
    776,582.12x = 559,678,050,430.59
  5. Step 5: Solve for x
    x = 559,678,050,430.59/776,582.12
  6. Step 6: Final answer
    x = 720,693.97

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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.