Home / 909,264.55-1,254,740.07-516,746.41

Finding the Fourth Proportional to 909,264.55, 1,254,740.07 and 516,746.41

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Solution

The fourth proportional to 909,264.55, 1,254,740.07 and 516,746.41 is: 713,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,264.55 : 1,254,740.07 = 516,746.41 : x
  2. Step 2: Convert to fraction form
    909,264.55/1,254,740.07 = 516,746.41/x
  3. Step 3: Cross multiply
    909,264.55x = 1,254,740.07 × 516,746.41
  4. Step 4: Simplify right side
    909,264.55x = 648,382,429,607.81
  5. Step 5: Solve for x
    x = 648,382,429,607.81/909,264.55
  6. Step 6: Final answer
    x = 713,084.47

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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.