Home / 672,927.79-1,008,320.73-470,906.40

Finding the Fourth Proportional to 672,927.79, 1,008,320.73 and 470,906.40

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Solution

The fourth proportional to 672,927.79, 1,008,320.73 and 470,906.40 is: 705,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,927.79 : 1,008,320.73 = 470,906.40 : x
  2. Step 2: Convert to fraction form
    672,927.79/1,008,320.73 = 470,906.40/x
  3. Step 3: Cross multiply
    672,927.79x = 1,008,320.73 × 470,906.40
  4. Step 4: Simplify right side
    672,927.79x = 474,824,685,009.67
  5. Step 5: Solve for x
    x = 474,824,685,009.67/672,927.79
  6. Step 6: Final answer
    x = 705,610.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.