Home / 672,929.79-1,008,323.73-470,908.40

Finding the Fourth Proportional to 672,929.79, 1,008,323.73 and 470,908.40

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Solution

The fourth proportional to 672,929.79, 1,008,323.73 and 470,908.40 is: 705,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,929.79 : 1,008,323.73 = 470,908.40 : x
  2. Step 2: Convert to fraction form
    672,929.79/1,008,323.73 = 470,908.40/x
  3. Step 3: Cross multiply
    672,929.79x = 1,008,323.73 × 470,908.40
  4. Step 4: Simplify right side
    672,929.79x = 474,828,109,334.71
  5. Step 5: Solve for x
    x = 474,828,109,334.71/672,929.79
  6. Step 6: Final answer
    x = 705,613.15

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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.