Home / 901,547.60-1,352,105.40-521,646.80

Finding the Fourth Proportional to 901,547.60, 1,352,105.40 and 521,646.80

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Solution

The fourth proportional to 901,547.60, 1,352,105.40 and 521,646.80 is: 782,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,547.60 : 1,352,105.40 = 521,646.80 : x
  2. Step 2: Convert to fraction form
    901,547.60/1,352,105.40 = 521,646.80/x
  3. Step 3: Cross multiply
    901,547.60x = 1,352,105.40 × 521,646.80
  4. Step 4: Simplify right side
    901,547.60x = 705,321,455,172.72
  5. Step 5: Solve for x
    x = 705,321,455,172.72/901,547.60
  6. Step 6: Final answer
    x = 782,345.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.