Home / 778,864.70-1,168,102.65-298,988.30

Finding the Fourth Proportional to 778,864.70, 1,168,102.65 and 298,988.30

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Solution

The fourth proportional to 778,864.70, 1,168,102.65 and 298,988.30 is: 448,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,864.70 : 1,168,102.65 = 298,988.30 : x
  2. Step 2: Convert to fraction form
    778,864.70/1,168,102.65 = 298,988.30/x
  3. Step 3: Cross multiply
    778,864.70x = 1,168,102.65 × 298,988.30
  4. Step 4: Simplify right side
    778,864.70x = 349,249,025,549.00
  5. Step 5: Solve for x
    x = 349,249,025,549.00/778,864.70
  6. Step 6: Final answer
    x = 448,407.82

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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.