Home / 779,461.18-1,075,747.19-648,407.32

Finding the Fourth Proportional to 779,461.18, 1,075,747.19 and 648,407.32

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Solution

The fourth proportional to 779,461.18, 1,075,747.19 and 648,407.32 is: 894,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,461.18 : 1,075,747.19 = 648,407.32 : x
  2. Step 2: Convert to fraction form
    779,461.18/1,075,747.19 = 648,407.32/x
  3. Step 3: Cross multiply
    779,461.18x = 1,075,747.19 × 648,407.32
  4. Step 4: Simplify right side
    779,461.18x = 697,522,352,465.43
  5. Step 5: Solve for x
    x = 697,522,352,465.43/779,461.18
  6. Step 6: Final answer
    x = 894,877.60

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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.