Home / 771,860.25-1,065,167.15-470,054.25

Finding the Fourth Proportional to 771,860.25, 1,065,167.15 and 470,054.25

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Solution

The fourth proportional to 771,860.25, 1,065,167.15 and 470,054.25 is: 648,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,860.25 : 1,065,167.15 = 470,054.25 : x
  2. Step 2: Convert to fraction form
    771,860.25/1,065,167.15 = 470,054.25/x
  3. Step 3: Cross multiply
    771,860.25x = 1,065,167.15 × 470,054.25
  4. Step 4: Simplify right side
    771,860.25x = 500,686,343,467.62
  5. Step 5: Solve for x
    x = 500,686,343,467.62/771,860.25
  6. Step 6: Final answer
    x = 648,674.87

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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.