Home / 917,083.16-1,263,492.92-709,638.24

Finding the Fourth Proportional to 917,083.16, 1,263,492.92 and 709,638.24

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Solution

The fourth proportional to 917,083.16, 1,263,492.92 and 709,638.24 is: 977,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,083.16 : 1,263,492.92 = 709,638.24 : x
  2. Step 2: Convert to fraction form
    917,083.16/1,263,492.92 = 709,638.24/x
  3. Step 3: Cross multiply
    917,083.16x = 1,263,492.92 × 709,638.24
  4. Step 4: Simplify right side
    917,083.16x = 896,622,892,001.26
  5. Step 5: Solve for x
    x = 896,622,892,001.26/917,083.16
  6. Step 6: Final answer
    x = 977,689.84

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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.