Home / 779,681.40-1,168,139.70-483,847.80

Finding the Fourth Proportional to 779,681.40, 1,168,139.70 and 483,847.80

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Solution

The fourth proportional to 779,681.40, 1,168,139.70 and 483,847.80 is: 724,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,681.40 : 1,168,139.70 = 483,847.80 : x
  2. Step 2: Convert to fraction form
    779,681.40/1,168,139.70 = 483,847.80/x
  3. Step 3: Cross multiply
    779,681.40x = 1,168,139.70 × 483,847.80
  4. Step 4: Simplify right side
    779,681.40x = 565,201,823,937.66
  5. Step 5: Solve for x
    x = 565,201,823,937.66/779,681.40
  6. Step 6: Final answer
    x = 724,913.82

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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.