Home / 514,927.20-772,390.80-304,802.40

Finding the Fourth Proportional to 514,927.20, 772,390.80 and 304,802.40

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Solution

The fourth proportional to 514,927.20, 772,390.80 and 304,802.40 is: 457,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,927.20 : 772,390.80 = 304,802.40 : x
  2. Step 2: Convert to fraction form
    514,927.20/772,390.80 = 304,802.40/x
  3. Step 3: Cross multiply
    514,927.20x = 772,390.80 × 304,802.40
  4. Step 4: Simplify right side
    514,927.20x = 235,426,569,577.92
  5. Step 5: Solve for x
    x = 235,426,569,577.92/514,927.20
  6. Step 6: Final answer
    x = 457,203.60

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Similar ratio
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1.5x scale

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.