Home / 909,913.50-1,255,680.63-507,505.50

Finding the Fourth Proportional to 909,913.50, 1,255,680.63 and 507,505.50

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Solution

The fourth proportional to 909,913.50, 1,255,680.63 and 507,505.50 is: 700,357.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,913.50 : 1,255,680.63 = 507,505.50 : x
  2. Step 2: Convert to fraction form
    909,913.50/1,255,680.63 = 507,505.50/x
  3. Step 3: Cross multiply
    909,913.50x = 1,255,680.63 × 507,505.50
  4. Step 4: Simplify right side
    909,913.50x = 637,264,825,968.47
  5. Step 5: Solve for x
    x = 637,264,825,968.47/909,913.50
  6. Step 6: Final answer
    x = 700,357.59

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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.