Home / 767,275.17-1,058,815.47-423,125.61

Finding the Fourth Proportional to 767,275.17, 1,058,815.47 and 423,125.61

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Solution

The fourth proportional to 767,275.17, 1,058,815.47 and 423,125.61 is: 583,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,275.17 : 1,058,815.47 = 423,125.61 : x
  2. Step 2: Convert to fraction form
    767,275.17/1,058,815.47 = 423,125.61/x
  3. Step 3: Cross multiply
    767,275.17x = 1,058,815.47 × 423,125.61
  4. Step 4: Simplify right side
    767,275.17x = 448,011,941,621.19
  5. Step 5: Solve for x
    x = 448,011,941,621.19/767,275.17
  6. Step 6: Final answer
    x = 583,899.96

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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.