Home / 871,688.59-1,307,607.91-240,602.40

Finding the Fourth Proportional to 871,688.59, 1,307,607.91 and 240,602.40

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Solution

The fourth proportional to 871,688.59, 1,307,607.91 and 240,602.40 is: 360,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,688.59 : 1,307,607.91 = 240,602.40 : x
  2. Step 2: Convert to fraction form
    871,688.59/1,307,607.91 = 240,602.40/x
  3. Step 3: Cross multiply
    871,688.59x = 1,307,607.91 × 240,602.40
  4. Step 4: Simplify right side
    871,688.59x = 314,613,600,803.48
  5. Step 5: Solve for x
    x = 314,613,600,803.48/871,688.59
  6. Step 6: Final answer
    x = 360,924.31

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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.