Home / 470,271.51-648,979.44-255,415.77

Finding the Fourth Proportional to 470,271.51, 648,979.44 and 255,415.77

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Solution

The fourth proportional to 470,271.51, 648,979.44 and 255,415.77 is: 352,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,271.51 : 648,979.44 = 255,415.77 : x
  2. Step 2: Convert to fraction form
    470,271.51/648,979.44 = 255,415.77/x
  3. Step 3: Cross multiply
    470,271.51x = 648,979.44 × 255,415.77
  4. Step 4: Simplify right side
    470,271.51x = 165,759,583,381.77
  5. Step 5: Solve for x
    x = 165,759,583,381.77/470,271.51
  6. Step 6: Final answer
    x = 352,476.35

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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.