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Finding the Fourth Proportional to 452,570.72, 624,478.24 and 261,547.25

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Solution

The fourth proportional to 452,570.72, 624,478.24 and 261,547.25 is: 360,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,570.72 : 624,478.24 = 261,547.25 : x
  2. Step 2: Convert to fraction form
    452,570.72/624,478.24 = 261,547.25/x
  3. Step 3: Cross multiply
    452,570.72x = 624,478.24 × 261,547.25
  4. Step 4: Simplify right side
    452,570.72x = 163,330,567,264.17
  5. Step 5: Solve for x
    x = 163,330,567,264.17/452,570.72
  6. Step 6: Final answer
    x = 360,895.12

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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.