Home / 686,901.60-1,030,352.40-554,041.35

Finding the Fourth Proportional to 686,901.60, 1,030,352.40 and 554,041.35

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Solution

The fourth proportional to 686,901.60, 1,030,352.40 and 554,041.35 is: 831,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,901.60 : 1,030,352.40 = 554,041.35 : x
  2. Step 2: Convert to fraction form
    686,901.60/1,030,352.40 = 554,041.35/x
  3. Step 3: Cross multiply
    686,901.60x = 1,030,352.40 × 554,041.35
  4. Step 4: Simplify right side
    686,901.60x = 570,857,834,671.74
  5. Step 5: Solve for x
    x = 570,857,834,671.74/686,901.60
  6. Step 6: Final answer
    x = 831,062.03

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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.