Home / 710,513.10-1,064,862.45-289,313.10

Finding the Fourth Proportional to 710,513.10, 1,064,862.45 and 289,313.10

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Solution

The fourth proportional to 710,513.10, 1,064,862.45 and 289,313.10 is: 433,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,513.10 : 1,064,862.45 = 289,313.10 : x
  2. Step 2: Convert to fraction form
    710,513.10/1,064,862.45 = 289,313.10/x
  3. Step 3: Cross multiply
    710,513.10x = 1,064,862.45 × 289,313.10
  4. Step 4: Simplify right side
    710,513.10x = 308,078,656,483.10
  5. Step 5: Solve for x
    x = 308,078,656,483.10/710,513.10
  6. Step 6: Final answer
    x = 433,600.25

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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.