Home / 865,363.83-1,298,510.49-360,273.45

Finding the Fourth Proportional to 865,363.83, 1,298,510.49 and 360,273.45

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Solution

The fourth proportional to 865,363.83, 1,298,510.49 and 360,273.45 is: 540,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,363.83 : 1,298,510.49 = 360,273.45 : x
  2. Step 2: Convert to fraction form
    865,363.83/1,298,510.49 = 360,273.45/x
  3. Step 3: Cross multiply
    865,363.83x = 1,298,510.49 × 360,273.45
  4. Step 4: Simplify right side
    865,363.83x = 467,818,854,093.49
  5. Step 5: Solve for x
    x = 467,818,854,093.49/865,363.83
  6. Step 6: Final answer
    x = 540,603.66

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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.