Home / 832,520.90-1,148,878.82-450,547.68

Finding the Fourth Proportional to 832,520.90, 1,148,878.82 and 450,547.68

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Solution

The fourth proportional to 832,520.90, 1,148,878.82 and 450,547.68 is: 621,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,520.90 : 1,148,878.82 = 450,547.68 : x
  2. Step 2: Convert to fraction form
    832,520.90/1,148,878.82 = 450,547.68/x
  3. Step 3: Cross multiply
    832,520.90x = 1,148,878.82 × 450,547.68
  4. Step 4: Simplify right side
    832,520.90x = 517,624,686,952.14
  5. Step 5: Solve for x
    x = 517,624,686,952.14/832,520.90
  6. Step 6: Final answer
    x = 621,755.79

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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.