Home / 779,708.52-1,075,937.70-440,210.28

Finding the Fourth Proportional to 779,708.52, 1,075,937.70 and 440,210.28

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Solution

The fourth proportional to 779,708.52, 1,075,937.70 and 440,210.28 is: 607,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,708.52 : 1,075,937.70 = 440,210.28 : x
  2. Step 2: Convert to fraction form
    779,708.52/1,075,937.70 = 440,210.28/x
  3. Step 3: Cross multiply
    779,708.52x = 1,075,937.70 × 440,210.28
  4. Step 4: Simplify right side
    779,708.52x = 473,638,836,179.56
  5. Step 5: Solve for x
    x = 473,638,836,179.56/779,708.52
  6. Step 6: Final answer
    x = 607,456.28

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1.5x scale

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.