Home / 909,914.50-1,255,682.01-507,506.50

Finding the Fourth Proportional to 909,914.50, 1,255,682.01 and 507,506.50

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Solution

The fourth proportional to 909,914.50, 1,255,682.01 and 507,506.50 is: 700,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,914.50 : 1,255,682.01 = 507,506.50 : x
  2. Step 2: Convert to fraction form
    909,914.50/1,255,682.01 = 507,506.50/x
  3. Step 3: Cross multiply
    909,914.50x = 1,255,682.01 × 507,506.50
  4. Step 4: Simplify right side
    909,914.50x = 637,266,782,008.07
  5. Step 5: Solve for x
    x = 637,266,782,008.07/909,914.50
  6. Step 6: Final answer
    x = 700,358.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.