Home / 909,370.02-1,254,409.68-569,247.78

Finding the Fourth Proportional to 909,370.02, 1,254,409.68 and 569,247.78

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Solution

The fourth proportional to 909,370.02, 1,254,409.68 and 569,247.78 is: 785,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,370.02 : 1,254,409.68 = 569,247.78 : x
  2. Step 2: Convert to fraction form
    909,370.02/1,254,409.68 = 569,247.78/x
  3. Step 3: Cross multiply
    909,370.02x = 1,254,409.68 × 569,247.78
  4. Step 4: Simplify right side
    909,370.02x = 714,069,925,550.51
  5. Step 5: Solve for x
    x = 714,069,925,550.51/909,370.02
  6. Step 6: Final answer
    x = 785,235.83

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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.