Home / 927,206.40-1,390,809.60-547,737.60

Finding the Fourth Proportional to 927,206.40, 1,390,809.60 and 547,737.60

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Solution

The fourth proportional to 927,206.40, 1,390,809.60 and 547,737.60 is: 821,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,206.40 : 1,390,809.60 = 547,737.60 : x
  2. Step 2: Convert to fraction form
    927,206.40/1,390,809.60 = 547,737.60/x
  3. Step 3: Cross multiply
    927,206.40x = 1,390,809.60 × 547,737.60
  4. Step 4: Simplify right side
    927,206.40x = 761,798,712,360.96
  5. Step 5: Solve for x
    x = 761,798,712,360.96/927,206.40
  6. Step 6: Final answer
    x = 821,606.40

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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.