Home / 914,460.40-1,371,690.60-578,537.20

Finding the Fourth Proportional to 914,460.40, 1,371,690.60 and 578,537.20

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Solution

The fourth proportional to 914,460.40, 1,371,690.60 and 578,537.20 is: 867,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,460.40 : 1,371,690.60 = 578,537.20 : x
  2. Step 2: Convert to fraction form
    914,460.40/1,371,690.60 = 578,537.20/x
  3. Step 3: Cross multiply
    914,460.40x = 1,371,690.60 × 578,537.20
  4. Step 4: Simplify right side
    914,460.40x = 793,574,038,990.32
  5. Step 5: Solve for x
    x = 793,574,038,990.32/914,460.40
  6. Step 6: Final answer
    x = 867,805.80

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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.