Home / 926,275.56-1,388,701.05-470,492.31

Finding the Fourth Proportional to 926,275.56, 1,388,701.05 and 470,492.31

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Solution

The fourth proportional to 926,275.56, 1,388,701.05 and 470,492.31 is: 705,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,275.56 : 1,388,701.05 = 470,492.31 : x
  2. Step 2: Convert to fraction form
    926,275.56/1,388,701.05 = 470,492.31/x
  3. Step 3: Cross multiply
    926,275.56x = 1,388,701.05 × 470,492.31
  4. Step 4: Simplify right side
    926,275.56x = 653,373,164,913.93
  5. Step 5: Solve for x
    x = 653,373,164,913.93/926,275.56
  6. Step 6: Final answer
    x = 705,376.66

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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.