Home / 917,866.52-1,266,745.74-530,698.40

Finding the Fourth Proportional to 917,866.52, 1,266,745.74 and 530,698.40

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Solution

The fourth proportional to 917,866.52, 1,266,745.74 and 530,698.40 is: 732,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,866.52 : 1,266,745.74 = 530,698.40 : x
  2. Step 2: Convert to fraction form
    917,866.52/1,266,745.74 = 530,698.40/x
  3. Step 3: Cross multiply
    917,866.52x = 1,266,745.74 × 530,698.40
  4. Step 4: Simplify right side
    917,866.52x = 672,259,937,424.82
  5. Step 5: Solve for x
    x = 672,259,937,424.82/917,866.52
  6. Step 6: Final answer
    x = 732,415.80

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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.