Home / 909,753.93-1,255,440.36-501,856.10

Finding the Fourth Proportional to 909,753.93, 1,255,440.36 and 501,856.10

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Solution

The fourth proportional to 909,753.93, 1,255,440.36 and 501,856.10 is: 692,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,753.93 : 1,255,440.36 = 501,856.10 : x
  2. Step 2: Convert to fraction form
    909,753.93/1,255,440.36 = 501,856.10/x
  3. Step 3: Cross multiply
    909,753.93x = 1,255,440.36 × 501,856.10
  4. Step 4: Simplify right side
    909,753.93x = 630,050,410,226.71
  5. Step 5: Solve for x
    x = 630,050,410,226.71/909,753.93
  6. Step 6: Final answer
    x = 692,550.36

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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.