Home / 578,045.70-867,068.55-554,426.10

Finding the Fourth Proportional to 578,045.70, 867,068.55 and 554,426.10

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Solution

The fourth proportional to 578,045.70, 867,068.55 and 554,426.10 is: 831,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,045.70 : 867,068.55 = 554,426.10 : x
  2. Step 2: Convert to fraction form
    578,045.70/867,068.55 = 554,426.10/x
  3. Step 3: Cross multiply
    578,045.70x = 867,068.55 × 554,426.10
  4. Step 4: Simplify right side
    578,045.70x = 480,725,434,609.16
  5. Step 5: Solve for x
    x = 480,725,434,609.16/578,045.70
  6. Step 6: Final answer
    x = 831,639.15

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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.