Home / 688,259.80-1,032,044.10-313,859.80

Finding the Fourth Proportional to 688,259.80, 1,032,044.10 and 313,859.80

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Solution

The fourth proportional to 688,259.80, 1,032,044.10 and 313,859.80 is: 470,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,259.80 : 1,032,044.10 = 313,859.80 : x
  2. Step 2: Convert to fraction form
    688,259.80/1,032,044.10 = 313,859.80/x
  3. Step 3: Cross multiply
    688,259.80x = 1,032,044.10 × 313,859.80
  4. Step 4: Simplify right side
    688,259.80x = 323,917,154,817.18
  5. Step 5: Solve for x
    x = 323,917,154,817.18/688,259.80
  6. Step 6: Final answer
    x = 470,632.10

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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.