Home / 697,477.98-962,271.80-455,899.80

Finding the Fourth Proportional to 697,477.98, 962,271.80 and 455,899.80

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Solution

The fourth proportional to 697,477.98, 962,271.80 and 455,899.80 is: 628,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,477.98 : 962,271.80 = 455,899.80 : x
  2. Step 2: Convert to fraction form
    697,477.98/962,271.80 = 455,899.80/x
  3. Step 3: Cross multiply
    697,477.98x = 962,271.80 × 455,899.80
  4. Step 4: Simplify right side
    697,477.98x = 438,699,521,165.64
  5. Step 5: Solve for x
    x = 438,699,521,165.64/697,477.98
  6. Step 6: Final answer
    x = 628,979.74

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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.