Home / 837,264.51-1,155,389.81-474,712.70

Finding the Fourth Proportional to 837,264.51, 1,155,389.81 and 474,712.70

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Solution

The fourth proportional to 837,264.51, 1,155,389.81 and 474,712.70 is: 655,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,264.51 : 1,155,389.81 = 474,712.70 : x
  2. Step 2: Convert to fraction form
    837,264.51/1,155,389.81 = 474,712.70/x
  3. Step 3: Cross multiply
    837,264.51x = 1,155,389.81 × 474,712.70
  4. Step 4: Simplify right side
    837,264.51x = 548,478,208,107.07
  5. Step 5: Solve for x
    x = 548,478,208,107.07/837,264.51
  6. Step 6: Final answer
    x = 655,083.55

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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.