Home / 915,569.10-1,263,500.51-507,688.16

Finding the Fourth Proportional to 915,569.10, 1,263,500.51 and 507,688.16

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Solution

The fourth proportional to 915,569.10, 1,263,500.51 and 507,688.16 is: 700,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,569.10 : 1,263,500.51 = 507,688.16 : x
  2. Step 2: Convert to fraction form
    915,569.10/1,263,500.51 = 507,688.16/x
  3. Step 3: Cross multiply
    915,569.10x = 1,263,500.51 × 507,688.16
  4. Step 4: Simplify right side
    915,569.10x = 641,464,240,225.02
  5. Step 5: Solve for x
    x = 641,464,240,225.02/915,569.10
  6. Step 6: Final answer
    x = 700,618.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.