Home / 709,835.04-979,574.58-455,187.24

Finding the Fourth Proportional to 709,835.04, 979,574.58 and 455,187.24

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Solution

The fourth proportional to 709,835.04, 979,574.58 and 455,187.24 is: 628,159.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,835.04 : 979,574.58 = 455,187.24 : x
  2. Step 2: Convert to fraction form
    709,835.04/979,574.58 = 455,187.24/x
  3. Step 3: Cross multiply
    709,835.04x = 979,574.58 × 455,187.24
  4. Step 4: Simplify right side
    709,835.04x = 445,889,849,444.36
  5. Step 5: Solve for x
    x = 445,889,849,444.36/709,835.04
  6. Step 6: Final answer
    x = 628,159.82

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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.