Home / 652,281.20-977,109.60-371,470.40

Finding the Fourth Proportional to 652,281.20, 977,109.60 and 371,470.40

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Solution

The fourth proportional to 652,281.20, 977,109.60 and 371,470.40 is: 556,458.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,281.20 : 977,109.60 = 371,470.40 : x
  2. Step 2: Convert to fraction form
    652,281.20/977,109.60 = 371,470.40/x
  3. Step 3: Cross multiply
    652,281.20x = 977,109.60 × 371,470.40
  4. Step 4: Simplify right side
    652,281.20x = 362,967,293,955.84
  5. Step 5: Solve for x
    x = 362,967,293,955.84/652,281.20
  6. Step 6: Final answer
    x = 556,458.31

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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.